Ventricles - GCSE Biology Definition

In the context of biology and the human heart, the ventricles are the two lower chambers of the heart. There is a left ventricle and a right ventricle. These chambers are part of the circulatory system and are responsible for pumping blood out of the heart. The right ventricle pumps deoxygenated blood to the lungs to collect oxygen, while the left ventricle pumps oxygenated blood to the rest of the body. The ventricles have thick muscular walls, especially the left ventricle, because they must generate high pressure to pump blood effectively. Understanding how the ventricles function is important in GCSE Biology for learning how the heart works as part of the cardiovascular system.