What is the role of arteries in the circulatory system?

Arteries play a crucial role in the circulatory system as they are responsible for carrying oxygen-rich blood away from the heart to the various tissues and organs throughout the body. This function is essential because it ensures that cells receive the oxygen and nutrients they need to perform their vital activities. Arteries have thick, muscular walls that help to withstand and regulate the high pressure of blood pumped from the heart, and they are structured to facilitate efficient transport of blood.

While other components of the circulatory system, such as veins, carry blood back to the heart, and capillaries facilitate nutrient and gas exchange within tissues, the unique role of arteries is specifically to distribute oxygenated blood from the heart, making option B the correct choice. Understanding this distinction highlights the importance of arteries in maintaining healthy blood circulation and supporting the body's overall function.