Which chamber in the heart is responsible for pumping blood into the aorta?

The left ventricle is responsible for pumping blood into the aorta, which is the largest artery in the body. This chamber plays a crucial role in systemic circulation, as it receives oxygenated blood from the lungs through the left atrium. The contraction of the left ventricle propels this blood into the aorta, allowing it to be distributed throughout the body to deliver oxygen and nutrients to various tissues and organs.

In contrast, the right atrium receives deoxygenated blood from the body, the right ventricle pumps deoxygenated blood to the lungs for oxygenation, and the left atrium serves to collect the oxygen-rich blood returning from the lungs before it enters the left ventricle. Each chamber has a distinct role in the cardiac cycle, contributing to the overall efficiency of the heart but only the left ventricle directly pumps blood into the aorta.