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AP Psychology
Our body's daily biological rhythms refer to regular patterns or cycles that occur within our bodies over a 24-hour period. These rhythms include sleep-wake cycles, hormone production fluctuations, and changes in body temperature.
A 24-hour internal clock that regulates sleep-wake cycles and other biological processes.
A hormone produced by the pineal gland that helps regulate sleep patterns and influences circadian rhythms.
A cluster of cells in the hypothalamus that acts as the body's master clock, controlling circadian rhythms.