Question

how is oxygen and carbon dioxide transported in human beings
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Answer 1

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Respiration is the process through which living organisms take in oxygen and give out carbon dioxide to release energy. So, naturally, respiration is a major and vital process of gas exchange. The transport of gases during respiration, both oxygen and carbon dioxide are carried out by the blood cells.

The transportation of gases is a very efficient process. Let us now see how oxygen and carbon dioxide is transported in the human body.

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Answer 2

ANSWER

i) Oxygen enters the blood from the lungs and carbon dioxide is expelled out of the blood into the lungs. 

ii) The blood serves to transport both gases. 

iii) Oxygen is carried to the cells. 

iv) Carbon dioxide is carried away from the cells.

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