NEET-XI-Biology
18: Body Fluids and Circulation
- #12Define a cardiac cycle and the cardiac output.
Ans : Cardiac cycle is defined as the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next. It comprises three stages - atrial systole, ventricular systole, and complete cardiac diastole.
Cardiac output is defined as the amount of blood pumped out by the ventricles in a minute.