EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What do humans need to breathe in from the air?
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hydrogen
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carbon monoxide
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carbon dioxide
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oxygen
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Explanation:
Detailed explanation-1: -Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive. Although other animals may use different organs to breathe with, they all get oxygen into their bodies through respiration.
Detailed explanation-2: -Respiration is essential for survival of living organisms. It releases energy from the food. The oxygen we inhale is used to breakdown glucose into carbon dioxide and water. Energy is released in the process.
Detailed explanation-3: -Every part of your body needs oxygen to survive. On this page, we explain why you breathe, and the muscles used while breathing.
There is 1 question to complete.