Teaching Uttarakhand TET (UTET) Paper 1 & Paper 2 Mock Test 2024 Environmental Studies Mountaineering
Mountaineers suffer nose bleeding at higher altitudes because :
1
The pressure in blood vessels exceeds outside pressure.
2
The pressure in blood vessels decreases than outside pressure.
3
The pressure in blood vessels equals the outside pressure.
4
Blood becomes thick at higher altitudes.