3 years ago

The brain's pineal gland produces the hormone ________, which helps control your sleepiness and wakefulness cycles.

2 answers:

8 0

<span>The brain's pineal gland produces the hormone melatonin, which helps control your sleepiness and wakefulness cycles. Melatonin is a natural hormone in the body which production is </span>stimulated by darkness and decreased by light. This hormone is involved in the <span>internal body clock and regulates diverse body functions.</span>

Norma-Jean [14]3 years ago

7 0

Melatonin is the hormone produced by the brain's pineal gland. This hormone helps in regulating one's sleep cycle - i.e. controls sleepiness and wakefulness.

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