thatguy4728 thatguy4728

16-09-2019
Biology

contestada

Our natural daily patterns of waking and sleep are called – rhythms. Exposure to daylight or darkness causes the hypothalamus to signal the – gland, which regulates the amount of – in the bloodstream, so that production of this hormone is – during daylight hours than at night.

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silvinaarteaga silvinaarteaga

19-09-2019

Answer:

circadian

pineal

melatonin

lower

Explanation:

Our natural daily patterns of waking and sleep are called circadian rhythms. Exposure to daylight or darkness causes the hypothalamus to signal the pineal gland, which regulates the amount of melatonin in the bloodstream, so that production of this hormone is lower during daylight hours than at night.

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