Heart beat initiates from

Purkinje fibres

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Sinoauricular node

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Bundle of His

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Auriculoventricular node

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Solution

The correct option is B
Sinoauricular node

The SA node is called ‘heart of heart’ because the heart beat originates from there.

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Similar questions

The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is
$\begin{matrix} (a) & S A N o d e & A V N o d e & P u r k i n j e f i b e r & A V B u n d l e (b) & S A N o d e & P u r k i n j e f i b e r & A V N o d e & A V B u n d l e (c) & S A N o d e & A V N o d e & A V B u n d l e & P u r k i n j e f i b e r (d) & S A N o d e & P u r k i n j e f i b e r & A V B u n d l e & A V N o d e \end{matrix}$

Q. Is there any other name that you can give for this set- " Purkinje fibres,A V node,S A node."

Define the following terms and give their location?

(i) Purkinje fibre

(ii) Bundle of His

Q. Go through the statements
Statement (I): The AV node and the bundle of His constitute the only electrical link between the atria and the ventricles.
Statement (II): The Bundle of His is a bundle of electrical nodes which allow the ventricles to contract.
Statement (III): The bundle of His is a group of fibres that carry electrical impulses through the centre of the heart
Statement (IV) : The bundle of His is located in the proximal intraventricular septum
How many of the above statements are correct?

Q. Mark the odd one in each of the following series:
Purkinje fibres, AV bundle, AV valve, SA node.

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Heart beat initiates from

The correct option is B Sinoauricular node The SA node is called ‘heart of heart’ because the heart beat originates from there.

The correct option is B
Sinoauricular node

The SA node is called ‘heart of heart’ because the heart beat originates from there.