The atria are separated from the ventricles externally by the

A. sinoventricular sulcus.
B. anterior interventricular sulcus.
C. posterior interventricular sulcus.
D. coronary sulcus.
E. None of the choices is correct.


Answer: D

Anatomy & Physiology

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A) Stratified cuboidal epithelium B) Simple cuboidal epithelium C) Glandular epithelium D) Simple squamous epithelium

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Label I represents which of the following structures?


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B) developing villi
C) lacuna
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