Answer:
The correct answer is - adrenal medulla.
Explanation:
The adrenal medulla is the internal part of the the adrenal gland that is the controlled by the sympathetic nervous system, Adrenal medulla is part of the adrenal gland where different molecules act as the hormones.
Adrenal medulla include various hormones as secreted hormones from there. Fight or flight is also initiate by the hormones secreted from adrenal gland that are epinephrine, nor epinephrine.
Thus, the correct answer is - adrenal gland.