(i) A nerve input signal travelled only up to the spinal cord and gave output signal for a response. What type of action did the body show-voluntary or involuntary?

(ii) Draw a nerve pathway for the above action and suggest specific terms for input nerve and output nerve.


(i) When a nerve input signal travelled only up to the spinal cord and gave output signal for a response, then such type of action is called an involuntary action. An involuntary action occurs without the conscience of the organism.


(ii) The nerve pathway is shown below:


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