Figure 20-2 Cardiac Cycle

question 137

Multiple Choice

Figure 20-2 Cardiac Cycle

Use Figure 20-2 to answer the following questions:
-What occurs at the area labeled "B" on the graph?

• A) Ventricular ejection occurs.
• B) AV valve closes.
• C) Semilunar valve opens.
• D) Semilunar valve closes.
• E) AV valve opens.

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