The skeleton of the heart:
A) is a plate of muscular tissue.
B) is the heart's conduction system.
C) acts to join the atria and ventricles together as one unit.
D) electrically insulates the atria from the ventricles.
Correct Answer:
Verified
Q5: The sac that surrounds the heart:
A) Is
Q6: The thickest layer of the heart is
Q7: Structurally, the working myocardial cells are:
A) cylindrical,
Q8: The ventricles:
A) are the two upper chambers
Q9: The muscular wall that separates the right
Q11: The heart receives most of its blood
Q12: Which of the following is true regarding
Q13: Cardiac output is the equivalent of the
Q14: Regulation of the heart rate, speed of
Q15: Baroreceptors are responsible for:
A) sensing changes in
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