Question

what is reflex arc? Draw well-labelled diagram of Reflex Arc.

Answer 1

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♠Reflex Arc is the shortest path that is traveled to give a response to an external stimulus .

♠It begins with the Receptors [ like muscles in arm ] perceiving the Stimulus .

♠The message is transferred to the sensory neuron .

♠Further it reaches the motor Neuron .

♠From there response effector responds to the Stimulus .

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➡Relfex Action :- a quick spontaneous action due to.An external stimulus.

✨Example are :-

✴Sneezing when a foreign particles enter nose .

✴Blinking of eye when dust enters .

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Answer 2

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The reflex arc describes the pathway in which the nerve impulse is carried and the response is generated and shown by the effector organ.

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