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Instructions: Identify the Following

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Essay

Instructions: Identify the following. Be as specific as possible, and include names, dates, and relevant facts as appropriate. Be sure to explain the significance of the person or term.
George Kennan, Containment


Definitions:

Sympathetic Fibers

Nerve fibers of the sympathetic nervous system that act to increase heart rate, constrict blood vessels, and raise blood pressure.

Cardiac Plexus

A complex network of nerves located near the heart, responsible for regulating the heart's rate and force of contraction.

Heart Rate

The number of times a heart beats per minute, indicating cardiovascular activity and overall health.

Preganglionic Neurons

Neurons of the autonomic nervous system that extend from the central nervous system to a ganglion, transmitting signals to postganglionic neurons.

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