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Sciences > Anatomy Function of heart ventricles: 2 of 3

The heart is the muscle that controls the flow of blood to all other regions of the body and is one of the most vital components of the human body. Anatomically, the heart consists of four chambers, the upper right and left atria and the lower right and left ventricles. It is the only organ of the body that consists of cardiac muscle tissue and its own electrical conducting system which causes it to contract. The contraction of the heart is the mechanism by which the heart pumps blood. The conduction system of the heart causes the atria to contract first, which forces blood from the atria ...
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