The organ of the endocrine system that is responsible for producing serotonin by day which is converted to melatonin at night is the
A)hypothalamus
B)pituitary gland
C)thymus gland
D)pineal gland
E)adrenal gland

Question

Quizplus · Accepted Answer

The pineal gland is responsible for producing serotonin during the day which is converted to melatonin at night, regulating sleep patterns. The hypothalamus and pituitary gland regulate other hormones in the body, while the thymus gland and adrenal gland control the immune system and stress response, respectively.

The Organ of the Endocrine System That Is Responsible for Producing