Reflex action in the body is controlled by ___________.

ANS

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CNS

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PNS

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All of these

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Solution

The correct option is B
CNS

Reflex action is an involuntary and nearly instantaneous movement in response to a stimulus. The path taken by the nerve impulses in a reflex is called a reflex arc. In higher animals, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord.

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Similar questions

A reflex action in the body is controlled by CNS.

Reflex action in the body is controlled by ___________.

Regarding the Assertion and Reason, choose the correct option:

Assertion [A]: The Peripheral Nervous System (PNS) constitutes all the nerves and ganglia that lie outside the Central Nervous System (CNS) and connects the extremities of the body to the CNS.

Reason [R]: The CNS is responsible for all the information processing and control.

Identify the incorrect statement(s) regarding spinal cord of CNS.

1. Extends from medulla from occipital bone upto the first lumbar vertebrae.

2. Similar to brain protected by meninges and has outer gray matter.

3. Acts as a link between brain and the somatic organs of PNS.

4. Controls basic reflex actions.

Q. All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla

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