how many litres of air do we breathe per minute?
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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.
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So there are about 1.04 × 1044 molecules in the Earth's atmosphere. A single mole of any gas at body temperature and atmospheric pressure has a volume of about 25.4 litres. The volume of air breathed in or out in the average human breath is about 1 litre.
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The minimum oxygen concentration in the air required for human breathing is 19.5 percent. The human body takes the oxygen breathed in from the lungs and transports it to the other parts of the body via the body's red blood cells.
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Most dogs and cats have a normal resting respiratory rate with breaths per minute ranging between the mid-teens to mid-20s. In general, a resting respiratory rate over 35-40 breaths per minute is considered abnormal.
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Your child is breathing fast: more than 50 breaths per minute for infants (2 months to 1 year) more than 40 breaths per minute for children (1-12 years) more than 20 breaths per minute for children over 12 and adults.
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Infant (1 to 12 months): 30-60 breaths per minute. Toddler (1-2 years): 24-40 breaths per minute. Preschooler (3-5 years): 22-34 breaths per minute. School-age child (6-12 years): 18-30 breaths per minute.
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Find out more about Hot Water Cylinders. That said a mains pressure system can use about 18 litres of water per minute at 40 degrees Celsius if a decent quality shower head is used. Certain brands of shower can use up to 25 litres of water per minute.
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The normal respiration rate for an adult at rest is 12 to 20 breaths per minute. A respiration rate under 12 or over 25 breaths per minute while resting is considered abnormal.
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If an average person needs 2.5-3 litres a day, and this average person lives 80 years, the lifetime water consumption is 80x365x3=87600 litres. That's about the volume of a 210 centimeters deep, 7 meters long and 6 meters wide pool.
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Technology, Aircraft, Airway. CFM. Cubic Feet Per Minute.
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Problem #23: You are now wearing scuba gear and swimming under water at a depth of 66.0 ft. You are breathing air at 3.00 atm and your lung volume is 10.0 L. Your scuba gauge indicates that your air supply is low so, to conserve air, you make a terrible and fatal mistake: you hold your breath while you surface.
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-How much air an average human breathe? We breathe around 11,000 liters / 388 cubic feet of air in a day. -How much oxygen an average human breathe?
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1 min = 35 liters The average adult male working at a moderate activity level inhales 16.8 cubic meters of air over the course of an 8-hour work day.
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The average adult, when resting, inhales and exhales about 7 or 8 liters of air per minute. That totals about 11,000 liters of air per day. Inhaled air is about 20-percent oxygen. Exhaled air is about 15-percent oxygen.
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"Through daily activities, our bodies can lose up to three to four liters a day just by perspiration, urine, bowel movement, and exhalation of air," says Lee. She shares a surprising factoid that we lose one to two liters alone from just breathing.
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body has 40 (10.5 gal) liters of fluid in it. About 25 liters (6.6 gal) is within the cells (intracellular). The remainder of 15 liters (3.9 gal) circulates throughout the body s blood volume or other exracellular fluids.
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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. Therefore, a human being uses about 550 liters of pure oxygen (19 cubic feet) per day.