hftyd6809 hftyd6809

06-10-2017
Biology

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Exposure to light affects the body's production of _____, which helps regulate the sleep-wake cycle.

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anyilbor8e4c anyilbor8e4c

07-10-2017

Melatonin I believ eis your answer. Not melanin like the pigment in our skin but melanin the sleep hormone.

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