oxygen has to pass through them to make blood rich
waste ,oxygen and food energy that is carried in the blood
can slip through these gaps and jumps into the cells.
Fudi
Capillaries are one cell thick.
they are only one blood cell thick!
"capillaries"
One. Capillaries are only one epithelial cell thick
The thin walled blood vessels are called capillaries.
Capillaries. It is only one cell thick (adaptation for diffusion)
capillaries, since they are only one cell wide.
capillaries
Arteries, veins and capillaries are the three major types of blood vessels. Capillaries are very small and only one cell thick to allow O2/CO2 exchange. Nutrients and wastes are also exchanged.
it comes in arterial blood and leaves as venous blood
The capillary is the only blood vessel where things can be exchanged because it is so thin (one cell thick). Capillaries have a single cell layer of squamous epithilium.