Multiple choice

What is the function of the melatonin?

  1. It secretes a group of hormones called cortocosteroids

  2. It increases blood glucose levels

  3. It regulates rest activity, menstrual and sleep cycles

  4. It stimulates hormone secretions in other endocrine glands
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Melatonin is produced by the pineal gland and plays a key role in regulating sleep-wake cycles (circadian rhythms) and other biological rhythms.

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