Capillaries.
cappilleries
the blood vessles that carry blood to your heart are called arteries
The tiny blood vessel is called as capillary. The diameter of the capillary is about 8 micrometer. They are present through out your body. They are present in your body in very large number. Together the cross sectional area of them all is about 2500 square cm.
yes there are arteries, veins, and capilaries
Yes. It's called: Collateral Circulation.
veins
VEINS
The artery does
they bring oxygen to the brain
Arteries. There's only two- the aorta and the pulmonary artery, which carries veinous blood.
the pulmonary veins
OK, by definition we have blood. Do you want to know what blood is made of?