The sequence of electrical impulse conduction | vedclass

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(C) The sequence of electrical impulse conduction in the human heart is as follows:$1$. Sinoatrial node ($SA$ node),also known as the Pacemaker of the

Vedclass · Accepted Answer

Pacemaker $\rightarrow$ Atria $\rightarrow$ $AV$ node $\rightarrow$ Ventricle

Vedclass · Answer

(C) The sequence of electrical impulse conduction in the human heart is as follows:$1$. Sinoatrial node ($SA$ node),also known as the Pacemaker of the heart.$2$. Atrioventricular node ($AV$ node).$3$. Bundle of His.$4$. Purkinje fibers.$5$. Ventricular myocardium.Therefore,the impulse travels from the Pacemaker ($SA$ node) to the atria,then to the $AV$ node,and finally to the ventricles via the Bundle of His and Purkinje fibers. Thus,the correct sequence is Pacemaker $\rightarrow$ Atria $\rightarrow$ $AV$ node $\rightarrow$ Ventricle.

Column $I$	Column $II$
$i$. Eustachian valve	$a$. Opening of pulmonary aorta
$ii$. Thebesian valve	$b$. Left atrioventricular aperture
$iii$. Mitral valve	$c$. Opening of inferior vena cava
$iv$. Semilunar valve	$d$. Opening of coronary sinus

The sequence of electrical impulse conduction in a heartbeat is:

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