Q. The pacemaker of the heart is

हृदय का पेसमेकर है

A
AV node
एवी नोड
B
SA node
एसए नोड
C
Purkinje fibers
पुर्किंजे फाइबर
D
Bundle of His
उसका बंडल

Explanation

The sinoatrial (SA) node, located in the right atrium, generates electrical impulses that initiate heartbeats. It's known as the natural pacemaker of the heart.

दाएं आलिंद में स्थित साइनोएट्रियल (SA) नोड विद्युत आवेग उत्पन्न करता है जो हृदय की धड़कन को आरंभ करता है। इसे हृदय का प्राकृतिक पेसमेकर कहा जाता है।

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