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RBC

Which two of ...

Question

Which two of the following changes (a–d) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)? Changes occurring are

A

Increase in red blood cell size

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B

Increase in red blood cell production

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C

Increased breathing rate

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D

Both b and c

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Solution

The correct option is D
Both b and c

RBCs are produced more to enable to take in more oxygen.

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