Question
Question: The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone:...
The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone:
A
Calcitonin
B
Prolactin
C
Adrenaline
D
Melatonin
Answer
Melatonin