Examlex
The definition "'Rust' means oxidized iron" is an example of:
Circadian Rhythms
Biological processes that occur on a roughly 24-hour cycle, influencing sleep, wakefulness, and various bodily functions.
Pineal Gland
A small endocrine gland in the brain that produces melatonin, a hormone that regulates sleep patterns.
Melatonin
A hormone produced by the pineal gland that regulates sleep-wake cycles.
Seasonal Affective Disorder
A type of depression that occurs at a specific time of year, usually in the winter, when there is less natural sunlight.
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