The pineal gland of the human brain secretes melatonin concerned with

Question

The pineal gland of the human brain secretes melatonin concerned with (A) Anger (B) Body temperature (C) Colouration of skin (D) Sleep

Tardigrade Admin · Accepted Answer

Pineal gland secretes two hormones - melatonin and serotonin. Melatonin concentration in the blood appears to flow a diurnal cycle.

Q. The pineal gland of the human brain secretes melatonin concerned with