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Pineal gland of human brain secretes melatonin concerned with |
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|
a) |
Anger |
b) |
Body temperature |
c) |
Colouration of skin |
d) |
Sleep |
|
Pineal gland of human brain secretes melatonin concerned with |
|||||||
|
a) |
Anger |
b) |
Body temperature |
c) |
Colouration of skin |
d) |
Sleep |
(d)
Pineal gland secretes two hormones – melatonin and serotonin. Melatonin concentration in the blood appears to flow a diurnal cycle.