Question

C. Match the following:
1. Pacemaker a. An instrument
for listening to
the heartbeat
2. Valves b. Relaxation of
heart muscles
3. Systole. c. Initiates the
heartbeat
4. Stethoscope d. Contraction
of heart muscles
5. Diastole e. Prevent the
backflow of
blood
​

Answer 1

1. Pacemaker b. Relaxation of heart muscles

2. Valves. e. Prevent the backflow of blood

3. Systole. d. Contraction of heart muscles

4. Stethoscope. a. An instrument for listening to the heartbeat

5. Diastole. . c. Initiates the heartbeat