Which of the following is true about the ventricle of the heart?

The ventricle of the heart is primarily responsible for pumping blood out of the heart. The heart consists of four chambers: two atria and two ventricles. The ventricles are the lower chambers of the heart, with the right ventricle pumping deoxygenated blood to the lungs for oxygenation, while the left ventricle pumps oxygenated blood to the rest of the body. This pumping action is crucial for maintaining blood circulation and ensuring that oxygen and nutrients are delivered to the tissues while removing waste products.

Other statements are less accurate. The ventricle does not receive oxygenated blood; that role belongs to the atria. The ventricles are located at the bottom of the heart rather than the top. Additionally, the right ventricle specifically pumps deoxygenated blood, meaning that the statement about only pumping oxygenated blood is not true for the heart as a whole. Thus, identifying the ventricle's role in pumping blood is essential to understanding heart function and the circulatory system.