how carbon dioxide and oxygen are transported during respiration in man
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The primary function of the respiratory system is to exchange oxygen and carbon dioxide. Inhaled oxygen enters the lungs and reaches the alveoli. ... Oxygen passes quickly through this air- blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled.
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During respiration,When we inhaled air 18% of oxygen and 0.4 % of carbon dioxide entered in our body. And when we exhaled air 14% of oxygen and 0.02% of carbon dioxide went outside from our body. This carbon dioxide that we exhaled is used by plants for photosynthesis.
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