Examlex
What type of epithelium is found where simple diffusion occurs?
Melatonin
A hormone produced by the pineal gland in the brain that regulates sleep and wakefulness.
Pineal Gland
A small endocrine gland in the brain that produces melatonin, which regulates sleep-wake cycles and seasonal functions.
Body Temperature
A measure of the body's ability to generate and get rid of heat, considered an important aspect of homeostasis and indicative of health status.
Autonomic Nervous System
The autonomic nervous system is a part of the peripheral nervous system that controls involuntary bodily functions, such as heart rate, digestion, and respiratory rate.
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