The smallest blood vessels are called capillaries.
Arteries carry blood to the smallest blood vessels (capillaries).
The smallest blood vessels in the body are called - capillaries.
The smallest blood vessels in the body are called capillaries.
They are called capillaries.
They are called the cappilarys
The smallest blood vessels are called capillaries.
Blood vessels are the tubes that carry blood. The smallest of the blood vessels are the capillaries.
The smallest blood vessels are the capillaries.
vein
vein
veins
they are blood vessels