Mountaineers suffer from nose bleeding (nostril ) at higher altitudes.

1.	Mountaineers suffer from nose bleeding (nostril ) at higher altitudes.
Answer» Solution :As HEIGHT increases , atmospheric pressure decreases .Atmospheric pressure at mountain is low .Whereas the pressure of blood is UNCHANGED Walls of nose arteries are THIN .THEYCANNOT TOLERATE pressure of blood and they breaks and the blood flows.

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