Answer:
it's the adrenal gland
Explanation:
its because when you get stressed hormones related to that gland start a process initiated by the sympathetic nervous system when you encounter a serious/stressfilled situation, which cause the flight or fight response.
Heredity is an external influence.
WHAT IS HEREDITY?
A process in which genetic factors are transferred from generation to generation.
4 p.m. it’s okay we’re all sleep deprived rn
