Question
Biology Question on chemical coordination and integration
Melatonin is secreted by:
A
Pineal body
B
Skin
C
Pituitary Gland
D
Thyroid
Answer
Pineal body
Explanation
Solution
Melatonin is secreted by the Pineal body, also known as the pineal gland. Melatonin is a hormone that plays a crucial role in regulating the sleep-wake cycle and circadian rhythms. It is produced in response to darkness and helps signal the body that it is time to sleep.
So, the correct option is (A): Pineal body