Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following questions: What occurs at the circled label “5” on the graph?

The muscular layer in the wall of a blood vessel is the tunica

________ is when the heart can’t maintain adequate cardiac output.

End-systolic volume is defined as the

In what order would excitation move through the conducting system of the heart?  

Pulmonary veins:

The volume of blood pumped out by each ventricle with each beat of the heart is called the:

The right pulmonary veins carry ________ blood to the ________.

When net filtration pressure (NFP) is positive – fluid moves into the _____

Capillaries are continuous, or