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Ilene Sanchez
on Nov 15, 2024

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John wakes at the same time each morning, even without an alarm clock. What BEST explains this finding?

A) circadian rhythm
B) solar eclipse
C) hormone levels
D) neurotransmitters

Circadian Rhythm

The natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.

Hormone Levels

refer to the concentration of hormones present in the bloodstream, which can affect bodily functions and mood.

Neurotransmitters

Chemical messengers that transmit signals across synapses between neurons in the nervous system.

  • Explain the role of circadian rhythms in regulating sleep patterns.
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Allena Andrea IgnacioNov 19, 2024
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