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.
Read more about this topic: Heart Chamber
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“If rightly made, a boat would be a sort of amphibious animal, a creature of two elements, related by one half its structure to some swift and shapely fish, and by the other to some strong-winged and graceful bird.”
—Henry David Thoreau (1817–1862)