The continual movement of fluid through the interstitial spaces produced by capillary filtration serves which of the following functions?

Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following questions: What is occurring in the left atrium at the circle labeled “2” on the graph?

With each ventricular systole,

The semilunar valves prevent the backflow of blood into the atria when the ventricles are contracting.

The tricuspid valve is located between the:

Deoxygenated blood is returned to the right side of the heart by the:

A(n) ________ is a bulge, or weakened wall, of an artery.

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

Cardiac muscle cells have a long _____ period so that rapid stimulation produces isolated rather than spasmic contractions.

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