Ventricle Structure
The two ventricles are separated by a septum into the left ventricle and the right ventricle. The ventricles of the heart are muscular chambers because they are responsible for propelling blood out of the heart. The left ventricle is the thickest of the four chambers because it is the final chamber that oxygenated blood must be pumped through before it is distributed throughout the body via the circulatory system. The ventricles are also larger in size compared to the atria.
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