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Milady Standard Esthetics 12th Edition Practice Test

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Abbreviated PNS; system of nerves and ganglia that connects the peripheral parts of the body to the central nervous system and has both sensory and motor nerves is called what?
Correct Answer:
Peripheral Nervous System
Explanation:
Peripheral Nervous System, abbreviated PNS, is the network of nerves and ganglia outside the brain and spinal cord that links the body’s extremities to the central nervous system. It carries sensory information from the skin and other tissues to the brain and sends motor commands from the brain to muscles, enabling both sensation and movement. The other options don’t describe a nervous-system network: parietal bones are skull bones, peristalsis is gut muscle movement, and parabens are cosmetic preservatives.

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