1. The thickening and
shortening of the heart muscle occurs during------------------------------.

2. The relaxation of
the heart is said to be in the ------------------------------ phase.

3. The sinoatrial node
is located in the ------------------------------.

4. Heart sounds are
caused by ------------------------------.

5. The normal rate and
rhythm of the heart is referred to as ------------------------------.

6. Small, hair-thin
blood vessels between the ends of arteries and beginning of veins are called ------------------.

7. A combining form
which means” vein “is ------------------------------.

8. A combining form
which means “vessel “, but not always blood vessel is
------------------------------.

9.
------------------------ is a blood vessel leading away from the heart.

10. -----------------------is
abnormal sound heart while listening with a stethoscope over a partially
obstructed vessel.

:

1.
------ inferior vena cava                                   A.
main artery of the body

2.
------superior vena cava                                  B.
valve leading from the left ventricle

3. ------pulmonary
artery                                     C.
returns blood from the left lung

4. ------right
pulmonary vein                                D.
vessel carrying blood to the lungs

5.
------left pulmonary vein                                  E.
valve leading from the right ventricle

6.
------ aorta                                                     F.
valve on the right side of the heart between the atrium and ventricle

7. ------tricuspid
valve                                         G.
drains blood from the lower body

8.
------pulmonary valve                                      H.
valve on the left side of the heart between the atrium and ventricle

9.
------ aortic valve                                            I. drains blood from the upper body

10.
------ mitral valve                                          j.
returns blood from the right lung