Q.

Is it true that nose bleeding occurs at high altitudes?


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a

True

b

False 

answer is A.

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Detailed Solution

The given statement is true.
We know that as altitude increases, atmospheric pressure decreases. As a result, at higher altitudes, atmospheric pressure is lower than at the surface. At higher altitudes, the blood pressure inside our bodies exceeds the atmospheric pressure, causing blood to ooze out of openings such as the nose. As a result, the nose bleeds.
 
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