Which statement is true about arteries?

Which statement is true about arteries?

• A. Veins carry blood away from the heart
• B. Capillaries are the strongest vessels
• C. Arteries carry blood toward the heart
• D. Arteries carry blood away from the heart and are the strongest of the blood vessels

Answer: (D)

Arteries perform the job of moving blood away from the heart, which is why they must withstand the high pressure generated with each heartbeat. Their walls are thick and muscular, with lots of elastic fibers, so they can handle that pressure without rupturing—making them among the strongest vessels. Some arteries, like the pulmonary artery, carry blood to the lungs, but the direction is still away from the heart. In contrast, veins return blood to the heart and have thinner walls with valves, and capillaries are thin-walled and designed for exchange rather than strength. So the statement that arteries carry blood away from the heart and are the strongest vessels correctly reflects both their function and their structure.

Arteries perform the job of moving blood away from the heart, which is why they must withstand the high pressure generated with each heartbeat. Their walls are thick and muscular, with lots of elastic fibers, so they can handle that pressure without rupturing—making them among the strongest vessels. Some arteries, like the pulmonary artery, carry blood to the lungs, but the direction is still away from the heart. In contrast, veins return blood to the heart and have thinner walls with valves, and capillaries are thin-walled and designed for exchange rather than strength. So the statement that arteries carry blood away from the heart and are the strongest vessels correctly reflects both their function and their structure.