A._______ is the largest vein in the body that makes blood from all of the body and dumps in into_______ atrium of the heart.
B._______ carry blood away from the aorta to the arterioles.
C._____ carry blood back toward the heart; rely on muscle contractions to provide pressure to move the blood.
D._______ are no thicker than human hair and carry blood away from arteries into the capillaries.
E._______ carry blood back to the veins after exchanges have occurred in the capillaries.
F._______ is the largest artery in the body.