CIRCADIAN RHYTHM
Illustration of the biological clock. Depending on sunlight perceived by the eye, signals are sent to the suprachiasmatic nucleus, home of the circadian clock, located in the hypothalamus, which controls various biological rhythms. The brain controls the secretion of melatonin (sleep hormone), which increases as light diminishes.
Size: 5726px × 4123px
Location: France
Photo credit: © JACOPIN / BSIP / Alamy / Afripics
License: Licensed
Model Released: No
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