Answer:
mitosis
Explanation:
Mitosis is when a cell divides.
It could be reflex or instinct, most likely reflex
The human brain can be divided into three<span> main parts: the forebrain, midbrain, and hindbrain: 1/ The forebrain includes the several lobes of the cerebral cortex that control higher functions.</span>
Exothermic because it’s going away
Scientist are still trying to find out it's a theory atleast I think it is