Every time your heart beats, it pumps blood through a complex network of blood vessels. These blood vessels, which control blood flow, include arteries, veins, and capillaries. If any of these blood ...

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 ...

RATIONAL treatment of patients with varicose veins requires exact knowledge of the changes that occur in the circulation, both venous and capillary, coincident with their development. 1 In the normal ...

The expanse of veins, arteries and capillaries underneath the skin keep our cells energized and healthy. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Broken blood vessels on the face, or spider veins, are enlarged capillaries that occur just beneath the surface of the skin. Genetics, sun exposure, sneezing, and many other factors can cause them.