Question

why nose bleeding takes place at high altitudes? ​

Answer 1

Answer:

Nosebleeds can be caused by being up in a very high altitude. As you climb higher, the amount of oxygen in the air decreases. This makes the air thinner and dryer, which can in turn cause the inside of your nose to crack and bleed

Explanation:

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Answer 2

Answer:

Due to low oxygen

Explanation:

The higher you go the less oxygen will be and the lower you go more oxygen will be thats why mountaineers carry oxygen cylinders.