Question

what is the definition of reflex arc

Answer 1

The reflex arc typically consists of five components (3): 1. The receptor at the end of a sensory neuron reacts to a stimulus. ... The sensory (afferent) neuron conducts nerve impulses along an afferent pathway towards the central nervous system (CNS).

Answer 2

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Reflex Arc :

• It is the nerve path involved in a reflex action for quick responses.

• A message fro the receptor is relayed by sensory nerves to spinal cord , which sends information for response in a motor nerve to the effector.

EXAMPLES : Hand touching a hot object...

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