Examlex
A map of population density for the Middle East is perhaps best understood in comparison to proximity to water, as settlements have historically developed around access to water in dry environments.
Demyelination
A pathological condition in which the myelin sheath covering nerve fibers is damaged, impairing the conduction of electrical signals in the nervous system.
Motor Pathways
Neural pathways that transmit impulses from the brain to control movements in the body.
Medulla
An area of the brainstem responsible for regulating vital functions, including breathing, heart rate, and blood pressure.
Heartbeat
The rhythmic contraction and expansion of the heart, which can be felt as a pulse, pumping blood through the circulatory system.
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