Identify and State the Historical Significance of the Following

question 64

Short Answer

Identify and state the historical significance of the following:
-amendment

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Definitions:

SA Node

The sinoatrial node, known as the heart's natural pacemaker, responsible for initiating the electrical impulses that dictate heart rate.

AV Node

A specialized part of the heart's electrical system, acting as a gateway between the atria and ventricles, controlling the heart rate.

Bicuspid Valve

Also known as the mitral valve, it controls blood flow between the left atrium and left ventricle in the heart.

Mitral Valve

A valve in the heart that lies between the left atrium and left ventricle, controlling blood flow.