Your arteries, veins, and capillaries form a vital roadmap for your blood’s circulation. Maintaining a healthy lifestyle can keep this 60,000-mile system running smoothly.

Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of ...

Veins perform the opposite function, collecting blood from tissues and returning it to the heart. Unlike arteries, veins contain valves that prevent backward flow as blood travels against gravity ...

Check your knowledge of the heart and how blood is transported around the body by blood vessels ahead of your Higher Human Biology exam. Brush up on your knowledge of arteries, capillaries, veins and ...

Both arteries and veins are types of blood vessels in the cardiovascular system. An artery carries blood away from the heart, and a vein carries blood back to the heart.

Revise the structure and function of blood vessels and the heart Brush up on your knowledge of arteries, capillaries, veins and the heart for Higher Human Biology.

Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart.

Arteries are blood vessels. Most carry oxygen-rich blood from the heart to various organs and tissues. Arteries are a part of the circulatory system, along with the heart and other blood vessels. The ...

Find out what you need to know about the femoral artery, including associated conditions, its function, and how it may affect your health.

Poor circulation in the legs is a common, often under-recognised problem that spans a spectrum of conditions; from blocked arteries that starve tissues of oxygen, to leaking veins that allow blood ...