What does the term 'circadian rhythm' describe?

Multiple choice question for Emotions. Select an option, then review the explanation below.

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A pattern of sexual responsiveness influenced by hormonal changes.A biological cycle that lasts about 24 hours.A cycle related to changes in emotional excitement.A phase when multiple body systems synchronize their activity.A sequence of rapid mood fluctuations throughout the day.

Explanation

A circadian rhythm is a natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours. It is not specifically related to sexual receptivity, emotional arousal, or synchronization of all bodily systems.

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What does the term 'circadian rhythm' describe?

Explanation

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