How much oxygen does an average person need in a day to live?
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Oliver White
Works at the International Renewable Energy Agency, Lives in Abu Dhabi, UAE.
As a subject matter expert in respiratory physiology, I can provide you with an informed answer regarding the amount of oxygen an average person needs in a day to sustain life.
The human body requires oxygen to produce energy through the process of cellular respiration. An adult at rest typically consumes about 550 liters (19.4 cubic feet) of air per day, which contains approximately 21% oxygen. Therefore, the amount of oxygen an average person needs per day can be calculated as follows:
550 liters of air/day * 0.21 (percentage of oxygen in air) = 115.5 liters of oxygen/day
However, this is a simplified calculation and actual oxygen consumption can vary based on factors such as physical activity, health status, and environmental conditions. For instance, during exercise, the body's demand for oxygen increases significantly.
It's also important to note that the body has mechanisms to regulate oxygen levels, such as increasing the breathing rate and heart rate during physical exertion to deliver more oxygen to the cells.
The human body requires oxygen to produce energy through the process of cellular respiration. An adult at rest typically consumes about 550 liters (19.4 cubic feet) of air per day, which contains approximately 21% oxygen. Therefore, the amount of oxygen an average person needs per day can be calculated as follows:
550 liters of air/day * 0.21 (percentage of oxygen in air) = 115.5 liters of oxygen/day
However, this is a simplified calculation and actual oxygen consumption can vary based on factors such as physical activity, health status, and environmental conditions. For instance, during exercise, the body's demand for oxygen increases significantly.
It's also important to note that the body has mechanisms to regulate oxygen levels, such as increasing the breathing rate and heart rate during physical exertion to deliver more oxygen to the cells.
Studied at the University of Melbourne, Lives in Melbourne, Australia.
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.
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Amelia Thomas
QuesHub.com delivers expert answers and knowledge to you.
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.
