Discuss the Functions of the Two Main Divisions of the Peripheral

question 90

Essay

Discuss the functions of the two main divisions of the peripheral nervous system (PNS).

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Definitions:

Semicircular Canals

Structures in the inner ear that are key to maintaining balance and sensing rotations of the head.

Sensory Receptors

Sensory receptors are specialized cells located throughout the body that detect changes in the environment and send information to the brain, initiating sensation and perception.

Balance

The ability to maintain the body's center of mass over its base of support, a key component of physical stability and coordinated movement.

Tympanic Membrane

The tympanic membrane, commonly known as the eardrum, is a thin layer that separates the external ear from the middle ear and vibrates in response to sound waves.