Question

Define reflex arc tell about this ​

Answer 1

Answer:

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A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.

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Answer 2

Explanation:

A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus.[1][2] A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain. The reflex is then an automatic response to a stimulus that does not receive or need conscious thought

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