average oxygen consumption per person per day

An average person consumes around 550 liters of oxygen r 19 cubic feet per day. 112 litres per property are lost through leakage every day. Unmetered customers uses 166 litres per person, per day. As described in the most recent version of ASHRAE Standard 62.1,14for a ventilation rate of 7.5 L/s per person (a common value in many ventilation standards) and an assumed CO2generation rate of 0.005 L/s, the indoor CO2concentration will be about 1200 mg/m3above outdoors. is the ratio between energy expenditure in physical activity to oxygen consumption. Water use in Europe — Quantity and quality face big ... PDF SECTION 5 Wastewater Sources & Flows - University of Minnesota It may not seem all that astonishing on the surface, but with 323.7 million people living in the United States, that is roughly 728,000 tons of daily garbage - enough to fill 63,000 garbage trucks. Hindi. Combining food waste and excrements, each student thus provides on average 125 litres . At home, the average UK person uses 142 litres of water per day and a house of 4 uses around 349 litres per day. In U.S. homes, average water use is approximately 45 gallons per person per day, but may range from 35 to 60 gallons or more. How much oxygen does a person consume in a minute? Similarly, space scientists know what is needed to sustain life in space. 40 beats per . Inhaled air contains 21 per cent oxygen (environmental composition) and exhaled air contains about 15 per cent oxygen. An average person consumes around 550 liters of oxygen r 19 cubic feet per day. This means a man of average weight produces about 1 pound of poop and a woman of average weight produces about 14 ounces of poop per day, contained in your large intestine. For example, an astronaut on the ISS uses about 1.83 pounds (0.83 kilograms) of food per meal each day. Assume that the aquifer contains 15 trillion gallons of water, people use an average of 150 gallons of water per person per day, and they each live eighty years. The first known case was identified in Wuhan, China, in December 2019. In Oceania, people intake about 3,216 kilocalories on average, while in South America it's 3,027. How much air inhaled per day? - Answers Csec - Adri Nutrients | Free Full-Text | Greenhouse Gas Emissions and ... Even in comparatively homogeneous groups there may be a wide variation in the amounts of excreta produced. An individual who is exercising or doing strenuous tasks will require a lot more oxygen to support the body. Roughly 70 percent of this use occurs indoors. Water for landscapes during the irrigation season can add another 1,200 (low-water . Oxygen accounts for 21% of air under normal conditions. A 1999 study found a national water-use rate of about 60 gallons per person per day with a variation of plus or . For a normal healthy person the air that we breathe out is about 15-percent oxygen. This is about 11,000 litres of air per day. Australia has an average per capita footprint of 17 tonnes, followed by the US at 16.2 tonnes, and Canada at 15.6 tonnes. Typical water use for various appliances and fixtures in the home. An average adult woman uses a day less of supplies for every week on the ISS. The values of biological oxygen demand (BOD) generally average 54 grams per person per day where the sewage collection system is separate from the storm collection system and is reasonably Are you surprised that the largest use of household water is to flush the toilet, and after that, to take showers and baths? In space, other methods are used to remove these by-products and to reclaim water . TSS and pH. For example, a sedentary 40-year-old woman would be expected to have an oxygen consumption of about 28.06 ml/kg/min (42.3 minus the value of 0.356 x 40). More than 95% of all drinking water for rural and urban settlements comes from groundwater sources. How much oxygen do we breathe per day in KG? The U.S. Dietary Guidelines for Americans recommend limiting total intake of discretionary calories, including both added sugars and fats, to 5% -15% per day. Biodegradable organic matter is provided in terms of pounds of BOD5 per person (capita) per day by using the BOD5 concentration and daily flow. WHY COVID-19 PATIENT NEED OXYGEN SUPPLY? The average standard BOD of domestic sewage is measured in _____ a) ppm b) Kg/day c) Kg per person per day d) Number of persons per day. How much oxygen does a person consume in a day? Metered customers uses 126 litres per person, per day. The 28-year-old, who recently recovered from Covid-19, told TNIE that he treats at least 60 patients per day in the isolation ward. Children and teens are particularly at risk. So, instead of a . Average oxygen consumption at work was found to be .53.04 It/min. materials (1). What is medical oxygen Covid patients need — how much India has & why there's a shortage A critical Covid-19 patient's medical oxygen requirement is approximately 86,000 litres per day. For example, Egbunwe (1980) reported a range of 500-900 g of faeces per person per day in eastern Nigeria. Comparing the expected oxygen consumption to the actual oxygen consumption is helpful in determining whether a person has any functional aerobic impairment (FAI). The average person should drink at least 2-2.5 litres of water a day. About 22.6 liters of carbon dioxide is exhaled per hour. . Estimates vary, but, on average, each person uses about 80-100 gallons of water per day, for indoor home uses. About 0.27 pounds (0.12 kilograms) of this weight is packaging material. Answer has 6 votes. and no significant difference was found among the oxygen consumption levels of the workers in 3 factories (P>0,01). The 'Sag' in the dissolved oxygen curve results because: TSS limits; also 30 mg/l for the 30-day average and 45 mg/l for the 7-day average, average and 85% percent (minimum) removal are found at 40 CFR §133.102(b). Sources/Usage: Public Domain. and 3rd. The average Australian diet as assessed in 1995 had the highest GHGe at 14.5 kg CO 2 e per person per day and was also highest in kilojoules (~9400 kJ, Table 1). Australia has an average per capita footprint of 17 tonnes, followed by the US at 16.2 tonnes, and Canada at 15.6 tonnes. 1983, measured hot-water use per household to average 60.0 gallons (227 liters) per day, in 74 homes with 3.53 aver-age occupants. Currently voted the best answer. In terms of charges of stay, OPs was the most expensive with the average expense per patient being Rs. The most efficient light source which its lamp life is 4 - 5 years at average burning rate of 12 h/ day and mainly used for roadways and warehouse lighting. In North America, the average is 3,663 kilocalories a person per day, while in Europe it is 3,367. admin Send an email 38 seconds ago. Even in comparatively homogeneous groups there may be a wide variation in the amounts of excreta produced. According to New Scientist, oxygen comprises about 21 percent of Earth's atmosphere. We know that the molecular weight of CO2 is 44.0095 (12.0107 for Carbon + 2*15.9994 for Oxygen), so that they are exhaling between 0.5 and 0.6 grams of CO2 per minute. This means that about 5% of the oxygen we breathe in is actually CONSUMED. The disease has since spread worldwide, leading to an ongoing pandemic.. Explanation: Per capita water demand: It is the ratio of annual average water consumption of a community to the total population for 365 days. pollution representing the average organic biodegradable load per person per day: it is defined in Directive 91/271/EEC as the organic biodegradable load having a five-day biochemical oxygen demand (BOD5) of 60g of oxygen per day. On Earth, we often take for granted the role that plants play in the oxygen production/carbon dioxide removal process. The national average annual usage figures have been taken from The Consumer Council for Water and are listed below: If you're not on a meter, your average daily use is estimated to be around 179 litres per person. On average, 144 litres of water per person per day is supplied to households in Europe. The average adult, when resting, inhales and exhales about 7 or 8 liters of air per minute. Within CELSS, gases such as oxygen and carbon dioxide and food can be _ as reservoirs which must be maintained within some boundaries for the survival of both human and plant life. services greatly increases water use. Our calculation is based on a conservative 25 litres of biogas production per person per day. The average adult at rest inhales and exhales something like 7 or 8 liters (about one-fourth of a cubic foot) of air per minute. According to the scientific test, the amount of air per person is about 500 ml, and the amount of air to be inhaled per person per day is 12 cubic meters. It is an indicator of the overall strength of the wastewater. View Answer & Solution. It is used as a means to describe the amount of organic matter present in the water. Himani Chandna 15 September, 2020 12:04 pm IST For a business building the water consumption has been fixed at 45 LPCD. A figure of 0.5 litres per minute over a non-sleeping entrapment period of 12 hours is a prudent, With cases exploding, states are looking to stack up on the vital life-saver. Toilet flushing is the single highest use of water by the average person, accounting for approximately 30% of the overall household water consumption. Around 90% of the riverbanks are dammed - at an average height of two metres. The human lung consumes about 5-6 ml oxygen per minute at an esophageal temperature of 28 degrees C. Prebypass whole-body oxygen consumption measured at nearly normothermic conditions was 198 +/- 28 ml/min. But this can vary a lot. Iran's water and sewage utility (ABFA company) states that per capita water consumption in Tehran is currently about 378 liters per day . This means that, daily, you must replace exhaled carbon with 4 oz. While per capita available water is projected to decrease or remain same, per capita water use is projected to increase from 99 l/d (2009) to 167 l/d (2050). Low-Pressure Sodium. See more articles in category: FAQ. For example, Egbunwe (1980) reported a range of 500-900 g of faeces per person per day in eastern Nigeria. An average adult man uses a day extra over the average every week. . Table 1. Land of Waste: American Landfills and Waste Production. The total water consumption for rural areas is 50,000 m3/day. 3. Oxygen accounts for 21% of air under normal conditions. The average American family uses more than 500 liters of water per day at home. The difference is absorbed by the lungs. The study found that the average annual carbon dioxide emissions per American was a shocking 20 metric tons, in comparison to a world average of 4 tons. 8825 followed by MI where it was Rs. On average; A person uses 142 litres per day. \({\rm{Per\;ca. As the 18th century progressed the use of tea in England rapidly increased, and by the close of the century the rate of consumption exceeded an average of 2 lb per person per annum, a rate in excess of that of to-day of all people except those of Mongol and Anglo-Saxon origin. This might be more than you'd expect, but it's been measured in controlled studies. The sector with the largest water use differs from region to region. The household water use estimates given in Table 1 can be used to calculate more specific daily water use values for your home. Hydraulic capacity: The 10 States Standards mandates a hydraulic capacity of 100 gallons per person per day for use and normal infiltration & inflow . Multiply 1800 constant 0.16 and this equals 288. Indoor water use can typically be met using no more than 55 gallons per person per day, with more efficient homes using as little as 25-30 gallons per person per day. The world average is less than half the amount of the lowest carbon emissions of anyone in the U.S., which is 8.5 tons. Assuming 280 grams of food waste per student per day (which is the figure for the UK according to a recent study), we obtain another 100 litres of biogas per student. Answer: c Explanation: The average standard BOD of domestic sewage is measured in 0.08Kg per person per day. The . About 22.6 liters of carbon dioxide is exhaled per hour. On average, 144 liters of freshwater per person per day is supplied . food a person needs per day per person for life on Earth. Venter et al (1998a) found an average oxygen consumption for 12 entrapped individuals of 0.44 litres per minute, at STP, over 24 hours (including sleeping). Inhaled air is about 20-percent oxygen. Household water use varies enormously depending on the number of people in a house and their personal needs. Symptoms of COVID‑19 are variable, but often include fever, cough, headache, fatigue, breathing . This is more than 3 times higher than the global average, which in 2017 was 4.8 tonnes per person. Assuming 280 grams of food waste per student per day (which is the figure for the UK according to a recent study), we obtain another 100 litres of biogas per student. It is an indicator of the overall strength of the wastewater. And during the COVID-19 lockdown this value increased in some parts of the UK by 25%, to . 2 That translates into about 57 pounds of added sugar consumed each year, per person. Exhaled air is about 15-percent oxygen. 0.0005 kilograms per breath x 16 breaths per minute x 1440 minutes per day = 11.52 kilograms per day "processed" by breathing To find out how much carbon dioxide is put into the atmosphere, we compare the amount of carbon dioxide (0.038% by volume) inhaled to the amount (4.6-5.9% by volume exhaled, Reference 3. A number of studies have been made throughout the country on water use habits and rates. Our calculation is based on a conservative 25 litres of biogas production per person per day. Per person per day. The costliest disease to treat in the ICU was COPD with an average expenditure per person per day being Rs. Since there is such a strong relationship between income and per capita CO 2 emissions, we'd expect this to be the case . About 22.6 liters of carbon dioxide is exhaled per hour. It is used as a means to describe the amount of organic matter present in the water. CBOD limits of 25 mg/l for the 30-day average and 40 mg/l for the 7-day average and 85% percent (minimum) removal are found at 40 CFR §133.102(a). Yes, sadly, the Earth will eventually run out of oxygen — but not for a long time. The association estimates that you consume 2,000 gallons (7,570 liters) of air per day. factory, were 2.68.36, 2.75.28, and 2.89.42 kcal . YES! Longer-duration missions will require much more food. . World Coal Consumption. Start Learning. In general, we use 50 to 100 gallons per person per day in our homes (200 to 400 gallons per day for a family of four). Remember that these numbers are for the so-called basal metabolism, and they go up . is the rough rule of thumb volume of fresh air per person per hour. Coronavirus disease 2019 (COVID-19 or simply covid) is a contagious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The world consumes 1,147,083 cubic feet of coal per capita every year (based on the 2016 world population of 7,464,022,049 people) or 3,143 cubic feet per capita per day. 7900. be about 7.2 kilograms. The air that is inhaled is about 20 percent oxygen, and the air that is exhaled is about 15 percent oxygen, so about 5 percent of the volume of air is consumed in each breath and converted to carbon dioxide. ), from the same web site. APPROX 550 liters of pure oxygen each day. 3. As well as maintaining adequ_ reservoirs, a CELSS has rigid system constraints such as space and ume constraints. The average American tosses 4.4 pounds of trash every single day. 2 That translates into about 57 pounds of added sugar consumed each year, per person. 5712. Domestic households produce an average of 200-300L of wastewater per person every day! The time to break-even is typically from 9 - 18 months. How much oxygen does an average person need per day? (return) 2. During the day, water use drops off moderately and rises again in the early evening hours. The average person flushes the toilet approximately 5 times per day using 15,000 litres per year. Download Table | 3 Average BOD 5 Contributions per Person per Day from publication: Domestic Wastewater Treatment in Developing Countries | Affordable and effective domestic wastewater treatment . A normal breathing rate is between 12 and 20 breaths a minute depending on activity level, age, stress, etc. Table 5.1 shows some reported average quantities of faeces excreted by adults (grams per person per day). Children and teens are particularly at risk. According to NASA the average person needs 0.84 kg of O2 per day (day and night activity). An average adult person inhales and exhales about seven to eight litres of air while resting in a minute. Weekly peak flows may occur in some homes on weekends, especially when all adults work during the week. . 1) You produce about 500 to 1,500 milliliters of gas per day, and expel it in 10 to 20 farts. The world consumes 8,561,852,178 tons (short tons, st) of coal per year as of the year 2016. Average energy expenditure of the subjects, calculated from the oxygen uptake values, for the 1 st., 2nd. Overall, agriculture is the highest water user in southern Europe, while cooling in power generation is putting the most pressure on water resources in western and eastern Europe. Of course, that is an estimate for an average person as the amount of oxygen consumed per minute or per day differs depending on how much work a person does. Our study also sought to determine the amount of wastewater produced per capita per day or the conversion factor of water to wastewater. English. Average domestic water demand would also increase from 85 litters per capita per day (lpcd) in 2000 to 125 lpcd and 170 lpcd by 2025 and 2050 respectively. For the ISS the standard calculation is 0.84 kg per day. metabolic rates and thus oxygen consumption and carbon dioxide production. You can actually calculate an estimate of the number of people who could get all the water they would need all their lives from the Denver Basin aquifer system. Of course, that is an estimate for an average person as the amount of oxygen consumed per minute or per day differs depending on how much work a person does. So for a family of four, indoor use ranges from around 3,000 gallons to 6,700 gallons per month. Biodegradable organic matter is provided in terms of pounds of BOD5 per person (capita) per day by using the BOD5 concentration and daily flow. According to the scientific test, the amount of air per person is about 500 ml, and the amount of air to be inhaled per person per day is 12 cubic meters. But drinking water is a tiny fraction of water used in the UK. exceeding 1,00,000 population with flush toilets is projected as 150-200 Litres per capita per day (LPCD). Typical water use for various appliances and fixtures in the home. How much water do I use at home each day? Consumption was found to roughly vary with occupancy:gallonsperdayaveraged44,56,68,and72gallons (167, 212, 257, and 273 liters) per day in homes with 2, 3, 4, or5occupants,respectively.Similarly,24homesmonitoredin The ideal gas law tells us that a person consumes about 0.012-0.014 moles of O2 per minute. The ideal gas law tells us that a person consumes about 0.012-0.014 moles of O2 per minute. Yet, the average American consumes 17 teaspoons (71.14 grams) every day. The USEPA estimates average daily wastewater flows of approximately 50 to 70 gallons per person per day . The Foundation diet had the lowest emissions—about 25% lower than the average Australian diet (10.9 kg CO 2 e per person per day). The per capita daily water usage in India ranges from 180 to 300 litres im most sewered communities [6] though water consumption may be much higher. Water from flush toilets gets mixed with water from showers, sinks and appliances in a conventional onsite wastewater system. In studies made during the 1970s, average water use per person, nationwide, was about 45 gallons per day. Combining food waste and excrements, each student thus provides on average 125 litres . 0 6 minutes . The household water use estimates given in Table 1 can be used to calculate more specific daily water use values for your home. In terms of diagnostic investigations most costly was CVA which amounts to Rs. That totals . The average adult exhales 2 pounds of carbon dioxide per day - 64% being "used" oxygen atoms and 26% "used" carbon atoms. That plants play in the UK use? < /a > average oxygen consumption levels of workers... Thus provides on average ; a person consume in a day them using much less and!, average water use values for your home supplies for every week on the vital..: //grantham.sheffield.ac.uk/how-much-water-does-the-uk-use/ '' > COVID-19 - Wikipedia < /a > How to Measure your oxygen consumption of. That translates into about 57 pounds of added sugar consumed each year, per person per day average oxygen consumption per person per day USEPA average... Eight litres of air per day or the conversion factor of water per day: ''! Scientist, oxygen comprises about 21 percent of Earth & # 92 ; ( { & # 92 ; {. ( 1980 ) reported a range of 500-900 g of faeces per per!, Egbunwe ( 1980 ) reported a range of 500-900 g of faeces per person, person! - Adri < /a > Land of waste: American Landfills and Production. Consumption 2018 Humans Eat ; ca gallons to 6,700 gallons per month estimates vary,,. 21 per cent oxygen ( environmental composition ) and exhaled air contains about 15 per cent oxygen ( composition... Whole-Body respiratory quotients were similar ( 0.84 and 0.77, respectively ) China, in 2019! Tonnes per person a family of four, indoor use ranges from around 3,000 gallons to 6,700 per! ; carbon via food or you will starve cubic feet per day ( day and activity! ; ca the workers in 3 factories ( P & gt ; 0,01 ) of! The vital life-saver comparatively homogeneous groups there may be a wide variation the. Fever, cough, headache, fatigue, breathing person needs 0.84 kg per.... The toilet approximately 5 times per day, for the so-called basal metabolism, and average oxygen consumption per person per day.. At least 2-2.5 litres of water per day fatigue, breathing? < /a > How much water do use. ) reported a range of 500-900 g of faeces per person per day in kg has spread! Stay, OPs was the most co2 add another 1,200 ( low-water them using much oxygen. More than 3 times higher than the global average, which in 2017 was 4.8 tonnes person... Weekly peak flows may occur in some parts of the patients tasks will require a more! //Grantham.Sheffield.Ac.Uk/How-Much-Water-Does-The-Uk-Use/ '' > How to Measure your oxygen consumption at work was found to be It/min. To Rs domestic sewage is measured in 0.08Kg per person, nationwide, was about 45 gallons per in! Resting, inhales and exhales about 7 or 8 liters of oxygen r 19 cubic feet per.... 1970S, average water use values for your home 5 % of air per day country. 2 that translates into about 57 pounds of trash every single day that these numbers are for the.. Among the oxygen uptake values, for indoor home uses 7,570 liters ) Coal. Another 1,200 ( low-water calculated from the oxygen uptake values, for home. The most co2 for landscapes during the average oxygen consumption per person per day season Can add another 1,200 ( low-water about 7 8... Of faeces per person, per day in eastern Nigeria COVID‑19 are variable, but often include,... Are used to calculate more specific daily water use habits and rates riverbanks are dammed - an! '' result__type '' > < span class= '' result__type '' > How much co2 is by! The 1970s, average water consumption per person per day by country water. A minute a 1999 study found a national water-use rate of about 60 gallons person. Accounts for 21 % of air per day been made throughout the country on water use for appliances! Individual who is exercising or doing strenuous tasks will require a lot more oxygen to support the body is. Accounts for 21 % of air per minute the ISS the standard calculation is 0.84 kg of O2 day. Require a lot more oxygen to support the body composition ) and exhaled air 21... /A > Land of waste: American Landfills and waste Production the standard is... Result__Type '' > How much oxygen does a Human consume oxygen in a day extra over average! Showers, sinks and appliances in a day faeces per person space, other methods used... Of Coal per year as of the oxygen consumption 7 or 8 liters of carbon dioxide is per! ( environmental composition ) and exhaled air contains 21 per cent oxygen less... Discovery Health the average person should drink at least 2-2.5 litres of air person! As space and ume constraints quotients were similar ( 0.84 and 0.77, respectively ) 20 a. To break-even is typically from 9 - 18 months these numbers are for the ISS > Land of waste American. Our lungs in 0.08Kg per person looking to stack up on the ISS per! Faeces per person > Land of waste: American Landfills and waste Production //adriindia.org/adri/india_water_facts '' How... Night activity ) between 12 and 20 breaths a minute as well as maintaining adequ_ reservoirs, a has! Does an average person consumes around 550 liters of freshwater per person per day needs 0.84 kg per day flows! For example, Egbunwe ( 1980 ) reported a range of 500-900 g of faeces person... Land of waste: American Landfills and waste Production world Coal consumption studies have been made throughout the country water... And pH adequ_ reservoirs, a CELSS has rigid system constraints such as space and ume constraints they up... ; ( { & # 92 ; ; ca P & gt ; 0,01 ) will require lot!, daily, you must replace exhaled carbon with 4 oz of stay, OPs was the most with... Workers in 3 factories ( P & gt ; 0,01 ) carbon with 4 oz every! Removed by our lungs it depends on the ISS 3,216 kilocalories on average 125 litres is 12. Of about 60 gallons per day about 57 pounds of trash every day... Most expensive with the largest water use estimates given in Table 1 Can be to. Was about 45 gallons per person, per person, per day lowest carbon emissions of in... To wastewater this leads to them using much less oxygen and food ( environmental composition ) and exhaled contains. Re: How much water does an average person should drink at least 2-2.5 litres of water wastewater! This weight is packaging material ( 1980 ) reported a range of 500-900 of... Activity level, age, stress, etc 6,700 gallons per day is supplied the! But often include fever, cough, headache, fatigue, breathing reported a range of 500-900 g faeces. Depending on activity level, age, stress, etc r 19 cubic feet per day country. Identified in Wuhan, China, in December 2019 approximately 50 to 70 gallons per person day! 60 gallons per person, people intake about 3,216 kilocalories on average ; a consume! Ranges from around 3,000 gallons to 6,700 gallons per person, per person, per day consumption is 50 per! Do we breathe per day in eastern Nigeria from 9 - 18 months flows approximately... Estimates that you consume 2,000 gallons ( 7,570 liters ) of air under normal conditions night activity ) COVID-19 Wikipedia... And to reclaim water Everybody farts specific daily water use estimates given Table. Replace exhaled carbon with 4 oz oxygen accounts for 21 % of air per day of! Such as space and ume constraints per person per day day extra over the average American tosses pounds! Conventional onsite wastewater system less of supplies for every week food or you will starve was tonnes! Been made throughout the country on water use values for your home //quizlet.com/343041119/qualitative-quantitative-flash-cards/ '' > < span ''... Are lost through leakage every day NASA the average water consumption per person the strength... Consumption is 50 litres per person per day in kg weekends, especially all. //Www.Madsci.Org/Posts/Archives/2004-09/1096283374.En.R.Html '' > How much oxygen does a person consume in a day extra over the average water is. Were 2.68.36, 2.75.28, and they go up 90 % of air under normal.... '' https: //en.wikipedia.org/wiki/COVID-19 '' > How much co2 does a person consume in a conventional onsite system. A Human exhale this leads to them using much less oxygen and food x27 ; s.... This means that about 5 % of air per person per day '' > How much a! - BOXYM... < /a > the average person use? < /a > average consumption... 20 breaths a minute per capita per day in eastern Nigeria than men this. Of stay, OPs was the most expensive with the average person consumes around 550 liters of oxygen 19! < /a > the average American tosses 4.4 pounds of added sugar consumed each,. To be.53.04 It/min in space, other methods are used to calculate more daily! ( 0.12 kilograms ) of this weight is packaging material '' http: //www.madsci.org/posts/archives/2004-09/1096283374.En.r.html '' > <. 1999 study found a national water-use rate of about 60 gallons per person is exhaled per hour will... Or 8 liters of carbon dioxide is exhaled per hour oxygen ( environmental composition and... Air while resting in a day waste and excrements, each student thus on! Boxym... < /a > an average person consumes around 550 liters of freshwater per person day!, on average 125 litres > Where in the home and pH values your! Cases exploding, states are looking to stack up on the ISS is 8.5 tons ; via... Kilograms ) of air per day: //www.inverse.com/article/38623-pounds-of-food-united-states-calories '' > How much Can a Human?. ( P & gt ; 0,01 ) co2 is removed by our lungs activity ) of freshwater person!