The Blood Vessels

Blood vessels that carry blood away from the heart.

• Arteries

• Capillaries

• Veins

• Bronchioles

The largest artery in the body.

• The vena cava

• The aorta

• The arteriole

• The pulmonary artery

The gas that passes into the capillaries and is taken away by the blood.

(a)  

Vessels that carry blood from the body back to the heart.

• capillaries

• venules

• arteries

• veins

The smallest blood vessels which connect the arteries and veins.

• venules

• capillaries

• arterioles

• vessels

Coronary arteries and veins carry blood from the (a)   to all parts of the body.

Pulmonary arteries and veins carry blood to the (a)   and back to the heart.

The gas in the blood that passes from the capillaries into the surround-

ing cells.

• carbon dioxide

• nitrogen

• oxygen

• carbon monoxide

The largest veins in the body.

• the aorta

• the pulmonary veins

• the venus crava

• the venae cavae

The three main types of blood vessels are , _________, veins, and capillaries.

• bronchioles

• arterioles

• arteries

• venules