Question

name the gland that functions as a biological clock in our body where is it located name the hormone secreted by the gland​

Answer 1

Pineal gland is the gland that functions as a biological clock in our body. It is located in the brain. It secretes a hormone called melatonin.

Answer 2

Peneal Gland is the endocrine gland that functions as a biological clock in our body.

It is located in our brain.

The hormone secreted by it is melatonin (which regulates biological rythm of our body such as sleep).