Answer:
D. respiration
Explanation:
It is basically a process that takes place in the cells of organisms. It converts chemical energy from oxygen molecules or even nutrients into ATP.
Hope this helped!
Answer:
:/ what about it? is this your question? if so you need to add more detail then that so people know what your talking about
Explanation:
Answer:
The nervous system is the part of an animal's body that coordinates its behavior and transmits signals between different body areas.
Medical Definition<span> of </span>protist<span>. : any of a diverse taxonomic group and especially a kingdom </span>