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

Spinal cord is a part of CNS [Central Nervous System] along with brain. It’s the centre for all involuntary, sudden actions or reflexes which do not involve prior thinking. Peripheral nervous system is the network of neurons [cranial and spinal nerves] which have specific functions. ANS [Autonomic nervous system] also regulates certain involuntary actions of visceral organs through sympathetic and parasympathetic nervous system.

Suggest Corrections

Similar questions

A reflex action in the body is controlled by CNS.

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

Q. Reflex action in a vertebrate is an essential display exhibited by

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