Question

Why do Mountaineers usually suffer from nose bleeding at high altitude?

Answer 1

As the altitude increases the atmospheric pressure decrease. And the air becomes thinner and there will be very less oxygen at high altitude. So due to which the blood vessels present inside our their nose bursts and starts bleeding. This is whymountaineers suffer from nose bleeding!

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Answer 2

increasing of altitude mean decreasing of air pressure for this reason air becomes thinner and blood vessel in nose burst for this reason mountaineers easily suffer from nose bleeding