An artificial pacemaker is a device that replaces the actions of the
A) atrioventricular node.
B) sinoatrial node.
C) ventricles.
D) atria.
Correct Answer:
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Q1: In fishes, blood leaving the heart goes
Q2: Which heart chamber is the most muscular?
A)
Q5: Which of the following have four- chambered
Q6: Which set of chambers supplies blood to
Q6: In a grasshopper, all the body tissues
Q7: Gap junctions
A) are found in white blood
Q8: It is important that the atrioventricular (AV)
Q9: Of the following answer choices, which would
Q10: Which of these animals has a heart
Q11: In vertebrates, which heart chamber supplies oxygenated
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