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Eamcet Zoology
Unit- 5 Human Physiology -Breathing And Exchange of Gases

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Assertion (A): Humans can’t survive long at an altitude above 6000 meters although the air at that altitude contains 20.95% O2
Reason (R): At an altitude above 6000 meters the PO2 is very low

A. A and R are correct and R is the correct explanation of A

B. A and R are correct and R is not the correct explanation of A

C. A is true R is false

D. A is false R is true

E. None of the above

View Answer

Correct choice: A

Explanation:

none

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Eamcet Zoology Unit- 5 Human Physiology -Breathing And Exchange of Gases

Eamcet Zoology
Unit- 5 Human Physiology -Breathing And Exchange of Gases