Arteries and veins (also called blood vessels) are tubes of muscle that ... They connect through structures called capillaries. Capillaries are small webs of thin tubes that connect to an artery ...

This complex arrangement of arteries, veins, and capillaries works continuously ... forming the smallest blood vessels where actual exchange of oxygen, nutrients, and waste products takes place.

Laid end-to-end, an adult's arteries, veins and capillaries would stretch for ... of human skin has six metres (20ft) of blood vessels. Veins hold about 65 per cent of the body's blood and have ...

Eventually, blood enters capillaries ... where the process continues. Arteries and veins are both types of blood vessels.

The most important types, arteries and veins, carry blood away from ... as well as nutrient capillaries in the larger blood vessels.

Save guides, add subjects and pick up where you left off with your BBC account. Check your knowledge of the heart and how blood is transported around the body by blood vessels ahead of your Higher ...

Another common area for blood vessels to enlarge is the legs and ankles, but those are usually referred to as spider veins, she says. While broken capillaries tend to be smaller, red and found on ...

The circulatory system includes the heart, blood vessels and blood ... If you were to lay out all of the arteries, capillaries and veins in one adult, end-to-end, they would stretch about 60,000 ...

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.

Vasculitis is an autoimmune disorder that causes inflammation of the blood vessels. It can affect arteries, veins, and capillaries. This condition causes blood vessel walls to swell, which ...

Why do veins look blue ... which pumps it out to the rest of the body via the arteries and into tiny blood vessels called capillaries, where it gives its oxygen to the body's tissues (systemic ...

There are mainly five types of blood vessels: arteries, veins, capillaries, arterioles, and venules. These blood vessels have different functions in the body. This article will look at the ...