(A) The $Vagus$ nerve (Cranial nerve $X$) is a key component of the parasympathetic nervous system. It innervates the $SA$ node of the heart and relea

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(A) The $Vagus$ nerve (Cranial nerve $X$) is a key component of the parasympathetic nervous system. It innervates the $SA$ node of the heart and releases acetylcholine,which acts to decrease the heart rate and inhibit cardiac activity. Therefore,the $Vagus$ nerve is responsible for slowing down the heartbeat.

Class 11 Biology Neural Control and Coordination Central Neural System

Easy

Which of the following nerves can inhibit the heartbeat?

A
Vagus
B
Somatic
C
Oculomotor
D
None of the above

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Neural Control and Coordination

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Central Neural System

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Match the spinal nerves in Column $1$ with their respective pairs in Column $2$ and select the correct option.
Column $1$ Column $2$
$(a)$ Cervical nerves $(i)$ $5$ pairs
$(b)$ Thoracic nerves $(ii)$ $1$ pair
$(c)$ Sacral nerves $(iii)$ $12$ pairs
$(d)$ Coccygeal nerves $(iv)$ $8$ pairs

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Column $1$	Column $2$
$(a)$ Cervical nerves	$(i)$ $5$ pairs
$(b)$ Thoracic nerves	$(ii)$ $1$ pair
$(c)$ Sacral nerves	$(iii)$ $12$ pairs
$(d)$ Coccygeal nerves	$(iv)$ $8$ pairs

Which of the following nerves can inhibit the heartbeat?

Similar Questions

The cranial nerves which are exclusively sensory in function are

The limbic system is formed by

Which part of the nervous system is responsible for the integration of different types of information?

The medulla oblongata of the brain passes out through

Match the spinal nerves in Column $1$ with their respective pairs in Column $2$ and select the correct option.Column $1$Column $2$$(a)$ Cervical nerves$(i)$ $5$ pairs$(b)$ Thoracic nerves$(ii)$ $1$ pair$(c)$ Sacral nerves$(iii)$ $12$ pairs$(d)$ Coccygeal nerves$(iv)$ $8$ pairs

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Match the spinal nerves in Column $1$ with their respective pairs in Column $2$ and select the correct option.
Column $1$ Column $2$
$(a)$ Cervical nerves $(i)$ $5$ pairs
$(b)$ Thoracic nerves $(ii)$ $1$ pair
$(c)$ Sacral nerves $(iii)$ $12$ pairs
$(d)$ Coccygeal nerves $(iv)$ $8$ pairs