Question

What changes do you feel on climbing a height​

Answer 1

Answer:

Gut. Digestion slows at altitude due to a lack of oxygen in the intestines and the body diverting blood to more critical organs and the muscles that are being used to climb. Research shows that 81 percent of mountaineers experience nausea and/or vomiting as a result.

Answer 2

It gets colder and colder.
Air becomes thinner and thinner.
It gets harder to breathe.
Air pressure lowers.