Examlex
____ is one of the first metals humans used-to make tools and utensils and for various art and decorative purposes.
Medulla
A part of the brainstem essential for controlling involuntary functions like breathing and heart rate.
Endocrine System
A network of glands in the body that secretes hormones directly into the circulatory system to regulate various bodily functions.
Nervous System
The network of nerve cells and fibers that transmits nerve impulses between parts of the body, including the brain, spinal cord, and peripheral nerves.
Hypothalamus
The hypothalamus is a crucial region of the brain involved in hormone production, regulation of body temperature, hunger, thirst, sleep, and emotional activity.
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