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Question
State whether the following is
Constriction of pupil
Options
simple reflex
conditioned reflex
None of the above
Solution
Simple reflex
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A cylindrical structure P in our body begins in continuation with medulla and extends downwards. It is enclosed in a bony cage Q and surrounded by membranes R. As many as x pairs of nerves arise from the structure P. The structure P is involved in the reflex actions of our body and conduction of nerve impulses to and from another organ S of our body with which it forms CNS.
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