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Question
The diurnal rhythms are regulated by
The diurnal rhythms are regulated by
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Solution
The correct option is B Melatonin
Melatonin hormone is secreted by the pineal gland. Pineal gland is a pea-sized gland located just above the middle of the brain. During the day the pineal is inactive. During the night the pineal is "turned on" by the suprachiasmatic nucleus (SCN). It stimulates theother parts of the brain that control hormones, body temperature and other functions. Thus, pineal gland begins to actively produce melatonin, which is released into the blood. It helps regulate other hormones and maintains the body's diurnal rhythm.
Melatonin hormone is secreted by the pineal gland. Pineal gland is a pea-sized gland located just above the middle of the brain. During the day the pineal is inactive. During the night the pineal is "turned on" by the suprachiasmatic nucleus (SCN). It stimulates theother parts of the brain that control hormones, body temperature and other functions. Thus, pineal gland begins to actively produce melatonin, which is released into the blood. It helps regulate other hormones and maintains the body's diurnal rhythm.
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