ANATOMY

GENERAL ANATOMY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the 2 major divisions of the peripheral nervous system (PNS)?
A
Sensory & Motor
B
Peripheral & Central
C
Somatic & Autonomic
D
Brain & Spinal Cord
Explanation: 

Detailed explanation-1: -Autonomic nervous system (ANS): Controls involuntary bodily functions and regulates glands. Somatic nervous system (SNS): Controls muscle movement and relays information from ears, eyes and skin to the central nervous system.

Detailed explanation-2: -The sensory (afferent) division carries sensory signals by way of afferent nerve fibers from receptors in the central nervous system (CNS). It can be further subdivided into somatic and visceral divisions. The somatic sensory division carries signals from receptors in the skin, muscles, bones and joints.

Detailed explanation-3: -The peripheral nervous system is further subdivided into an afferent (sensory) division and an efferent (motor) division. The afferent or sensory division transmits impulses from peripheral organs to the CNS.

Detailed explanation-4: -The Sensory Division They include sight, hearing, balance, touch, taste, and smell.

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