MEDICAL PHYSIOLOGY

PHYSIOLOGY

CENTRAL NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
these nerves carry impulses away from the CNS.
A
dendrites
B
afferent nerves
C
bones
D
efferent nerves
Explanation: 

Detailed explanation-1: -Motor neurons (also referred to as efferent neurons) are the nerve cells responsible for carrying signals away from the central nervous system towards muscles to cause movement.

Detailed explanation-2: -Afferent neurons carry information from sensory receptors found all over the body towards the central nervous system, whereas efferent neurons carry motor information away from the central nervous system to the muscles and glands of the body in order to initiate an action.

Detailed explanation-3: -Due to their function, nerve fibers which carry afferent impulses are known as afferent nerves or sensory nerves, and those nerve fibers which carry efferent impulses are known as efferent nerves or motor nerves.

Detailed explanation-4: -Sensory neurons are nerve cells responsible for converting external stimuli from an individual’s environment into internal electrical impulses. They are the type of neurons that send nerve impulses to CNS from receptor organs.

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