Meaning of circadian cycle

What is the circadian cycle:

The circadian cycle is the biological clock that regulates and schedules the physiological functions of the body in a period of one day or 24 hours.

The circadian cycle is framed in a day as defined by the etymology of the word circadian that derives from Latin circa indicating "approach", ten which means "day" and the suffix -anus which refers to "something related to."

In this circadian sense it is what is related to a period of a day and a cycle is the periodic repetition of a set of events.

See also Cycle.

In biology, the circadian cycle, circadian clock or biological clock is the daily repetition of the physiological phenomena of living organisms.

Circadian cycles in plants, for example, control photosynthesis, flowering periods, sugar metabolism, and cell growth.

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