The great saphenous vein is a large venous blood vessel running near the inside surface of the ... Along its length are 10 to 20 one-way valves that keep the blood from flowing back toward the foot.

Capillaries are blood vessels that carry blood to the body’s organs at a microscopic level. Anatomy, types of arteries, and the circulatory system Generally, an artery has three layers : ...

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. According to the ...