The structures responsible for distributing excitation to the contractile cells are

During increased exercise

Which event occurs during ventricular systole?

When the left ventricle contracts, the diameter of the ventricular chamber

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

Resistance is a force that

An increase in blood vessel diameter causes arterial blood pressure to decrease.

________ is the symptom generally brought on by coronary ischemia.

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

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]