What is the correct flow of blood starting from the body and ending at the body?

The correct flow of blood starting from the body and returning to the body involves a systematic pathway through the heart and lungs. Blood that has circulated through the body returns to the heart via the superior and inferior vena cavas, which drain deoxygenated blood into the right atrium.

From the right atrium, blood moves through the tricuspid valve into the right ventricle. When the right ventricle contracts, it pumps the blood through the pulmonary artery to the lungs, where carbon dioxide is exchanged for oxygen. After being oxygenated, the blood returns to the left side of the heart through the pulmonary veins, entering the left atrium, then moving through the bicuspid (mitral) valve into the left ventricle. Finally, the left ventricle pumps the oxygen-rich blood into the aorta, from which it is distributed throughout the body to nourish the tissues.

The selection in question correctly describes this flow sequence by starting with deoxygenated blood returning to the heart and ending with oxygenated blood being distributed to the body, reflecting the proper sequence of circulation.