Question

pineal gland secrete which harmone?​

Answer 1

Answer:

Pineal gland act as biological clock as it regulates circadian rhythm.

The hormone secreted is called Melatonin or sleep hormone because it promotes sleep. Its secretion increases in dark.

A neurotransmitter, serotonin is also found in pineal gland.

Answer 2

pineal gland secretes a hormone called melatonin.....

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