9.-13. Match the description to its anatomical term.
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A membranous, serous layer attached
to a fibrous sac

A tissue composed of layers and bundles
of cardiac muscles

Outside layer of the heart wall that's
interspersed with adipose

The interior lining of the heart

External grooves that indicate the regions
of the heart

a. Visceral pericardium
b. Sulci
c. Endocardium
d. Myocardium
e. Parietal pericardium