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Describe an example of ergonomics applied to the safety of factory machines.
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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