The tough structure that surrounds the heart and helps reinforce and maintain position of the heart is the
A) mediastinum.
B) pericardial sac.
C) pleural cavity.
D) aorta.
E) epicardium.
Correct Answer:
Verified
Q1: The reinforcing layer of the pericardium is
Q2: The fibrous skeleton of the heart functions
Q3: Cardiac muscle cells do not need _
Q5: Blood that is transported to and from
Q6: Externally the posterior and inferior portions of
Q7: The fibrous skeleton of the heart is
Q8: The innermost layer of the heart wall
Q9: Blood vessels traveling away from the heart
Q10: One of the major differences between skeletal
Q11: Cardiac muscle differs from other muscle tissue
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