Which vessel carries blood away from the heart?

• A. Aorta
• B. Pulmonary artery
• C. Vena cava
• D. Pulmonary veins

Answer: (A)

Arteries carry blood away from the heart, with the aorta standing out as the main vessel that leaves the heart to supply the entire body. The aorta comes from the left ventricle and distributes oxygen-rich blood through its branches to tissues all around the body, making it the clearest example of a vessel carrying blood away from the heart in systemic circulation.

The pulmonary artery also travels away from the heart, but it goes to the lungs and carries blood that is on its way to oxygenation (it’s part of the pulmonary circuit and carries deoxygenated blood), so it doesn’t represent the general away-from-heart arterial pathway the question targets. Vena cavae and pulmonary veins are blood vessels that move blood toward the heart, not away from it.