1. The.
tion carries blood between the heart and the cells and tissues of the body.
2. The_
is composed of cardiac muscle.
3. The right and left sides of the heart are divided by the.
4. The atrioventricular valves are the.
and
circulation carries blood between the heart and lungs, while the
5. The
6. The
7.
8. A network of tiny blood vessels is referred to as a(n).
and
circula-
. The semilunar valves are the
is the pacemaker of the heart.
arteries carry blood to the heart muscle.
is the force exerted by blood against the wall of a blood vessel.
