Biology, asked by dddddddddd55t5, 9 months ago

The percentage of oxygen absorbed from the air in the lungs is
always about the same, so how can the oxygen supply to the blood be
increased during vigorous activity? Explain.

Answers

Answered by dk2045925
1

Answer:

Our brain uses 80 per of oxygen what we take. I the case of vigorous activity, Oxygen supply to brain reduced therefore ,there is a increase of oxygen in blood.

Explanation:

hope, it is helpful.

mark it brilliant answer.

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