Why does the nose of a mountaineer bleed at high altitudes

1.	Why does the nose of a mountaineer bleed at high altitudes
Answer» 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 startsbleeding.

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Why does the nose of a mountaineer bleed at high altitudes

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