Examlex
Pain-controlling chemicals in the body are called __________
Alpha Rhythm
A type of brain wave pattern, typically in the frequency range of 8-12 Hz, observed in the electroencephalogram (EEG) of a relaxed and awake individual.
Beta Rhythm
Fast brain-wave activity pattern associated with a waking EEG.
Melatonin
A substance produced by the pineal gland that controls sleeping and waking patterns.
Gonads
The primary reproductive organs in animals, such as testes in males and ovaries in females, responsible for producing gametes and hormones.
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