Author: Anonymous

Which valve guards the base of the aorta and opens when the ventricles are contracting:

________ is the symptom generally brought on by coronary ischemia.

A slower-than-normal heart rate is called

A(n) ________ is a direct connection between an arteriole and a venule.

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

Turbulent blood flow occurs

Listing. List three differences between arteries, veins and capillaries (ex.- characteristics, function, what they carry, etc) (2 X’s each) Arteries [a] [b] [c] Veins [d] [e] [f] Capillaries [g] [h] [i]

In response to hemorrhage there is

Blood returning to the heart from the pulmonary circuit first enters the

Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following questions: What occurs at the circled label “7” on the graph?