Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following questions: What volume is labeled “E” on the graph?

Each of the following factors would increase cardiac output except

Diastolic pressure is the blood pressure in the arteries at the peak of ventricular contraction.

The opening and closing of the precapillary sphincter is called

Reductions in venous return cause reductions in both stroke volume and cardiac output.

Which of the following are involved in the pulmonary circuit?

Oxygen is added to blood as it flows through the ________ circuit.

Which one of the following blood vessels carries oxygenated blood:

If the pacemaker cells in the SA note become more permeable to potassium ions, the

In response to hemorrhage, there is