In this way they perform an important function because waste is ultimately transported out of the body through this interchange.
How Thick Are The Walls Of Capillaries. They convey blood between the arterioles and venules. The capillary walls are only one cell thick so that oxygen and other nutrients and waste can pass through them easily into the tissue and other cells that surround them.
Capillaries - Blood & the Cardiovascular System from scblood.weebly.com
They are the smallest blood vessels in the body: Watch this video to explore capillaries and how they function in the body. A capillary is a small blood vessel from 5 to 10 micrometres (μm) in diameter, and having a wall one endothelial cell thick.
Watch this video to explore capillaries and how they function in the body.
It is through the capillaries that oxygen, nutrients, and wastes are exchanged between the blood and the tissues. Capillaries are never more than 100 micrometers away. Substances which exits from capillaries include glucose, water, and oxygen. It does not have the muscular/elastic tissue of other blood vessels.
