Question

Oxygen is an essential requirement for aerobic respiration but it enters the respiratory process at the end..? Discuss...​

Answer 1

Answer:

The primary function of the respiratory system is to take in oxygen and eliminate carbon dioxide. Inhaled oxygen enters the lungs and reaches the alveoli. The layers of cells lining the alveoli and the surrounding capillaries are each only one cell thick and are in very close contact with each other.

Answer 2

oxygen is the most important gas for aerobic respiration.It is oxygen which combine with glucose to form carbon dioxide,water and energy

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