EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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We breath out
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Oxygen
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Air
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Water
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Carbon Dioxide
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Explanation:
Detailed explanation-1: -The amount of inhaled air contains 21% of oxygen and 0.04% of carbon dioxide, while the air we breathe out contains 16.4% of oxygen and 4.4% of carbon dioxide. This is because our cells use oxygen from the inhaled air to release energy and give out carbon dioxide as a byproduct.
Detailed explanation-2: -The composition of gases exhaled by humans during breathing by volume is as follows: Carbon dioxide: 4.0-5.3% Oxygen: 13.6-16% Water vapor: 5-6.3%
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