Final answer:
The left ventricle is responsible for pumping oxygen-rich blood into the aorta, which then distributes it to the rest of the body. After the blood circulates and delivers oxygen and nutrients, it returns to the right atrium of the heart through the superior and inferior vena cavas.
Step-by-step explanation:
The left ventricle should send blood to the aorta. The aorta is the main artery that carries oxygen-rich blood from the left ventricle to the rest of the body. After the blood has been pumped through the aortic valve into the aorta, it branches off into smaller arteries which deliver oxygen and nutrients to various tissues. The left ventricle is the major pumping chamber of the systemic circuit and plays a crucial role in maintaining the circulation of oxygenated blood through the body. As the aorta stretches from the ascending aorta, through the aortic arch, to the descending aorta, it distributes blood to the upper and lower portions of the body, ensuring that every tissue receives the necessary oxygen and nutrients it needs to function.
Blood returns to the heart after it has circulated through the body, carrying waste products and carbon dioxide to be expelled from the lungs. This venous blood enters the right atrium through the superior and inferior vena cavas and is then sent to the lungs for oxygenation via the right ventricle and pulmonary arteries. As a key part of the circulatory system, the properly functioning aorta and left ventricle are essential for systemic circulation and overall cardiovascular health.