Examlex
Where in the universe would you look for Ganymede?
Pineal Gland
A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.
Melatonin
A hormone produced by the pineal gland that regulates sleep and wakefulness cycles.
Hormone
A chemical substance produced in the body that serves as a messenger, regulating and coordinating various physiological activities.
Consciousness
The quality or state of being aware of an external object or something within oneself.
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