The Frank-Starling law of the heart states that _____________.

Cardiac output is increased by

A person’s blood type is determined largely by the

When hemoglobin is recycled, __________________.

The pressure that must be overcome before a semilunar valve can open for blood ejection is called __________.

(Refer to the diagram above FIG.4) Identify the wave labeled “1” .

During a ventricular contraction, the pumping action can be prevented from other interruptions. This is due to the _______ of cardiac action potential.

The long plateau phase of the cardiac muscle action potential is due to ________

People with type AB blood are considered the “universal recipient” for transfusions because

Aorta, common carotid, and pulmonary trunk are considered ____________.