The heart wall has three layers.  In order from the outer layer to the inner layer, they are ________.

A. myocardium, endocardium, and epicardium
B. endocardium, epicardium, and myocardium
C. endocardium, myocardium, and epicardium
D. epicardium, myocardium, and endocardium


Answer: D

Biology & Microbiology

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Which of the following statements about a carbon-carbon double bond is correct?

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What will be an ideal response?

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