You Are Taking a Lab Practical Exam,and One Station Has

question 19

Multiple Choice

You are taking a lab practical exam,and one station has pins in various internal structures of a bisected mammalian heart.You can orient yourself without picking up and examining the exterior of the heart because

• A)the width of the external wall of the right ventricle is thicker than all the other chamber walls.
• B)the width of the external wall of the left atrium is thicker than all the other chamber walls.
• C)the width of the external wall of the left ventricle is thicker than all the other chamber walls.
• D)the width of the external wall of the right atrium is thicker than all the other chamber walls.
• E)the ascending aorta exits from the right ventricle.

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