Where exactly does the electrical conduction in the heart takes place?

AV node

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Cardiac plexus

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SA node

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Purkinje fibres

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Solution

The correct option is C
SA node

Pacemaker cells, also known as conducting cells, spontaneously produce and conduct electrical impulses without stimulation by a nerve. This electrical conduction system of the heart transmits signals, generated by the sinoatrial node or SA node, to cause contraction of the heart muscle.

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The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is
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Give these structure of the conduction system of the heart :
1. It is Atrioventricular bundle
2. AV node
3. Bundle branches
4. Purkinje fibres

5. SA node
Choose the arrangement that lists the structures in an order of an action potential passes through them.

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Q. The conduction of impulse takes from SA node to

Q. Assertion :SA node induces excitatory impulses in heart. Reason: SA node is self excitatory.

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