Resistance is a force that

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

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

Analysis of the electrocardiogram can reveal all of the following except

In response to hemorrhage there is

Listing. List three differences between arteries, veins and capillaries (ex.- characteristics, function, what they carry, etc) (2 X’s each) Arteries Veins Capillaries

Turbulent blood flow occurs

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