Question

define a cardiac cycle and the cardiac output

Answer 1

the circulation of blood whole body by heart. is said to be cardiac cycle

Answer 2

cardiac cycle refers to sequence of machenical and electrical events that repeat with every heartbeat. It includes phase of relaxation diastole and contraction systole.
 The amount of blood the heart pumps through the circulatory system in a minute.THe amount of blood put out by left ventrical of the heart in one contraction is called the stroke volume. the stroke volume and heart rate determine the cardiac output.