Answer:
B. The heart beat and pulse rate may change, but are always equal.
Hope this helps :D Have a fantastic day
Answer:
Essential amino acids cannot be made by the body. As a result, they must come from food. The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Explanation:hope it helps
The brain the moat important part of the nervous system, as it controls every thing you do
