The heart:
A) is the pump of the circulatory system.
B) constantly beats a given number of times per minute regardless of the body's needs.
C) is shaped like a ball, almost perfectly round.
D) beats on an average of 100 times a minute.
Correct Answer:
Verified
Q1: The electrocardiogram:
A) is referred to as an
Q2: As the impulse moves toward a positive
Q4: Which of the following is correct regarding
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
Q10: The skeleton of the heart:
A) is a
Q11: The heart receives most of its blood
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