Question 137

(Multiple Choice)

Figure 20-2 Cardiac Cycle
Figure 20-2 Cardiac Cycle    Use Figure 20-2 to answer the following questions: -What occurs at the circle labeled 3 on the graph? A) atrial systole B) isovolumetric relaxation C) atrial diastole and ventricle systole D) atrial ejection E) ventricular ejection
Use Figure 20-2 to answer the following questions:
-What occurs at the circle labeled "3" on the graph?


A) atrial systole
B) isovolumetric relaxation
C) atrial diastole and ventricle systole
D) atrial ejection
E) ventricular ejection

Answer