What is the role of melatonin in the regulation of the human body?

What is the role of melatonin in the regulation of the human body?
  1. Maintaining sleep-wake cycle
  2. Regulating metabolism
  3. Stimulating pigmentation
  4. All of the above

Solution

Melatonin plays a very important role in the regulation of a 24-hour (diurnal) rhythm of our body. It helps in maintaining the normal rhythms of sleep-wake cycle, body temperature, influences metabolism, pigmentation, the menstrual cycle, and our defense capability.

Asked in: NCERT

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