Match each of the terms with its definition or description.

a. systole
b. diastole
c. cardiac cycle
d. stroke volume
e. cardiac output
f. sinoatrial node
g. Purkinje fiber
h. P wave
i. QRS complex
j. T wave


1. _____ “Pacemaker” of the heart

2. _____ Relaxation of the heart muscle

3. _____ ECG tracing indicating the depolarization of the atria

4. _____ Volume of blood ejected from the ventricle during each beat

5. _____ Last structure in the heart conduction system; stimulates the ventricles to contract

6. _____ ECG tracing indicating the repolarization of the ventricles

7. _____ Contraction of the heart muscle

8. _____ ECG tracing indicating the depolarization of the ventricles

9. _____ Each complete heart beat

10. _____ Volume of blood pumped by one ventricle in 1 minute


1. f. sinoatrial node

2. b. diastole

3. h. P wave

4. d. stroke volume

5. g. Purkinje fiber

6. j. T wave

7. a. systole

8. i. QRS complex

9. c. cardiac cycle

10. e. cardiac output

Anatomy & Physiology

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