Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
Gen Combo Ll Biology; Connect W/learnsmart Labs Access Card
4th Edition
ISBN: 9781259853197
Author: Robert Brooker
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 47.3, Problem 2CC
Summary Introduction

To determine: The possible reasons behind the detection of electrical changes in the heart using electrodes placed on the surface of the skin.

Introduction: Beating of the heart is an electrical phenomenon. This phenomenon is controlled by a group of specialized cells called the sinoatrial node (SA) present in the right atrium. SA node is responsible for maintaining the rhythm of the heartbeat. Another group of cells called the atrioventricular node is present between the atria and ventricle and is responsible for slowing down the impulse before it is transferred to the ventricle. This node is important as it allows the atrium to contract before the ventricle.

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