Venules
The smallest blood vessels are called capillaries.
There are three types of blood vessels; arteries, veins, and capillaries. Capillaries are tiny blood vessels.
Capillaries
Blood vessels are the tubes that carry blood. The smallest of the blood vessels are the capillaries.
Capillaries.
Capillaries
The smallest blood vessels are the capillaries.
they are called capillaries
The thin walled blood vessels are called capillaries.
The smallest vessels in the human body are capillaries. They are the blood vessels that absorb oxygen into the blood and returning blood cells that lack oxygen back into the heart and lungs to be oxidised.
Vessels with extremely thin walls over wich molecules and atoms are transported are called "capillaries".
They are called capillaries.