When not filled with blood the anterior portion of each atrium deflates and becomes a rather lumpy and wrinkled flap called the________.
A) atrial sinus
B) coronary sulcus
C) atrial apex
D) interatrial groove
E) auricle
Correct Answer:
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Q18: The outermost layer of the serous pericardium
Q19: Which structures are responsible for creating a
Q20: Which is the layer that lines the
Q21: Externally, the posterior and inferior portions of
Q22: The right ventricle _.
A) has thinner muscular
Q24: Which of the following is a feature
Q25: Oxygen-poor blood travels from the right atrium
Q26: The _ of the heart includes the
Q27: Which chamber of the heart can generate
Q28: Blood exiting the left ventricle must pass
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