Psychology MCAT Practice Exam 2025 – Complete All-in-One Guide to Ensure Your Success!

Question: 1 / 400

What are the primary functions of the peripheral nervous system?

To process and store information

To regulate immune responses

To connect the central nervous system to limbs and organs

The primary functions of the peripheral nervous system (PNS) center around its role in connecting the central nervous system (CNS) to the limbs, organs, and other parts of the body. The PNS serves as a communication system that transmits sensory information from the body back to the CNS, and conversely, it conveys motor commands from the CNS to the body. This connection is essential for initiating and controlling bodily functions, movement, and responding to environmental stimuli.

By acting as a relay between the brain and spinal cord and the rest of the body, the PNS plays a crucial role in coordinating voluntary and involuntary actions, thereby allowing for appropriate responses to various situations. This vital function of the PNS includes both the somatic nervous system, which manages voluntary muscle control, and the autonomic nervous system, which governs involuntary actions such as heartbeat and digestion.

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To control involuntary muscle movements

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