Question

A mountain climber experienced nose bleeding when he reached at the top . what could be the cause of his bleeding . ​

Answer 1

$\huge\red{ANSWER}$

Mountain climbers often get nosebleeds at high altitudes because as the amount of oxygen in the air decreases and the air becomes drier, blood vessels inside your nose can crack and bleed. That's the origin of the term “nosebleed seats” in reference to seats at the highest point of a venue.

Answer 2

Answer:

Mountain climbers often get nosebleeds at high altitudes because as the amount of oxygen in the air decreases and the air becomes drier, blood vessels inside your nose can crack and bleed.