The cardiac cycle in a normal person is about

What happens during diastole in the cardiac cycle?

The duration of the ventricular diastole in a normal cardiac cycle is

Calculate the cardiac output of an individual having $70$ heart beats/min with a stroke volume of $55 \ mL$.

$A$ cardiac cycle involves

Which would be the heart rate of a person if the cardiac output is $5 \; L,$ blood volume in the ventricles at the end of diastole is $100 \; mL$ and at the end of ventricular systole is $50 \; mL?$