Answer: Because it is harder to draw breath in. And the cold
Explanation: At higher altitudes, it becomes more dangerous, and you can develop altitude-related illnesses such as HAPE and HACE. I read a book called<em> Into Thin Air</em>, and in the book the author goes into detail on the details/complications of climbing Mt.Everest and oxygen needs. Mountain climbers use canisters of oxygen called <u>Supplemental Oxygen.</u>
Severe dehydration resulting in hypoperfusion of the placenta.
The production will most likely be halted by an inhibitor until the cell needs more to be produced
It also supplies the muscles of the thenar eminence by a recurrent thenar branch. The rest of the intrinsic muscles of the hand are supplied by the ulnar nerve<span>. The </span>median nerve<span> innervates the skin of the palmar side of the thumb, the index and middle finger, half the ring finger, and the nail bed of these fingers.this should be the answer to your question </span>