Define a cardiac cycle and the cardiac output.

Describe cardiac cycle.

These questions consist of two statements each,printed as Assertion and Reason.While asnwering these questions you are required to choose any one of the following four responses. Assertion:Volume of blood ejected from the ventricles in one heart beat is called cardiac output. Reason:Cardiac output increases with the increase in body size of organism.

Define cardian cycle.What are three phases of cardiac cycle.State the period of occurrence of two heart sounds.

What do you understand by cardiac output?

Briefly explain cardiac cycle.

Differentiate cardiac muscles and striated muscle.