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How
the Human Heart Works
Heart
Working
How the Heart Works
Step by Step
How
Does a Heart Work
How Heart Work
Donload
How Heart Works
in Human Body
How the Heart Works
for Kids
How to Work
Houman Heart NS
Human Heart and
How It Works
Mechanism of
Heart
1:25
YouTube
AniMed
How the Heart Works - Electrical System of the Heart Animation - Cardiac Conduction Video - ECG
The cardiac conduction system is a group of specialized cardiac muscle cells in the walls of the heart that send signals to the heart muscle causing it to contract. The main components of the cardiac conduction system are the SA node, AV node, bundle of His, bundle branches, and Purkinje fibers. The SA node (anatomical pacemaker) starts the ...
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