When carotid and aortic baroreceptors reduce their output,

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

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

Arterioles feed blood into

The _____ collect blood directly from capillary beds.

A heart murmur might be caused by

End-systolic volume is defined as the

In a procedure known as ________, an inflatable balloon at the end of a catheter is used to press plaque back against the vessel wall.

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

Trace the pathway of blood through the heart and lungs. (2 X’s each)   ______________________ è ______________________ è ______________________ è ______________________ è ______________________ è ______________________ è Lung è ______________________ è ______________________ è ______________________ è ______________________ è ______________________ è ______________________