How many chambers does the heart have?

The heart has four chambers, which are essential for its function of pumping blood throughout the body. These chambers are divided into the right atrium, right ventricle, left atrium, and left ventricle. The right atrium receives deoxygenated blood from the body and sends it to the right ventricle, which then pumps it to the lungs for oxygenation. Once the blood is oxygenated in the lungs, it returns to the left atrium, moves into the left ventricle, and is then pumped out to the rest of the body. This four-chamber structure is crucial for maintaining an efficient and organized circulation system, ensuring that oxygen-rich and oxygen-poor blood remain separate, thereby optimizing the delivery of oxygen to tissues and organs.