Examlex
A(n) ____ is a collection of links on a particular topic.
To Choke
To experience difficulty breathing because of a constricted or obstructed throat or lack of air.
Sinoatrial Node
The heart's natural pacemaker, a small, specialized cluster of cells located in the right atrium that regulates the heart’s electrical impulses and hence its beating.
Atrioventricular Node
A part of the cardiac conduction system that controls the heart rate by delaying the transmission of electrical impulses from the atria to the ventricles.
Bundle of His
A collection of heart muscle cells specialized for electrical conduction that transmits the electrical impulses from the AV node to the ventricles of the heart.
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