Epinephrine is secreted by

Options

A. Adrenal medulla and increases the heart rate
B. Adrenal medulla and decreases the heart rate
C. Adrenal cortex and increases the heart rate
D. Adrenal cortex and decreases the heart rate

Answer

A

Explanation

Adrenal medulla secrete fight, flight or fear hormone such as epinephrine (adrenaline) or nor – epinephrine (nor – adrenaline) which increases heart rate, respiratory rate, hunger etc. It is a part of sympathetic nervous system.