When your roommate slammed the door and started screaming, you felt your heart race and your muscles tense.These physical changes were due to:
A)GABA
B)endorphins
C)serotonin
D)epinephrine

Question

Quizplus · Accepted Answer

Epinephrine is a hormone released by the adrenal glands in response to stress or emergency situations. It triggers the sympathetic nervous system, causing physical symptoms such as increased heart rate, muscle tension, and sweating.

When Your Roommate Slammed the Door and Started Screaming, You