Question

what is meant by human respiration

Answer 1

Human respiration is a process in which we take or inhale oxygen gas into our lungs through mouth or nose and exhale the carbon dioxide gas from the lungs outward and this process remains our lungs fresh.

Answer 2

Human respiration means exchange of gases through lungs from our body. We take in oxygen and give out carbon dioxide. Finally we can say that exchange of gases is known as respiration.

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