Question

3. The whole process of cardiac cycle is completed in
approximately
A) 0.11 -0.14 seconds
B) 0.25 -0.35 seconds
C) 0.4 seconds
D) 0.8 seconds​

Answer 1

Answer:

D

Explanation:

One complete cardiac cycle takes about 0.8 seconds. Atrial systole, where the atria contract and eject blood into ventricles, lasts about 0.1 seconds.