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Which of the following structures is considered to be the pacemaker of the heart?

Darryl2057

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Which of the following structures is considered to be the pacemaker of the heart?

Which of the following structures is considered to be the pacemaker of the heart?
a. atrioventricular node
b. sinoatrial node
c. atrioventricular bundle
d. Purkinje fibers
e. intercalated discs

Question 2

Chordae tendineae:a.
hold the AV valves in place.
b. contract when the heart contracts.
c. are one part of the conductance system of the heart.
d. regulate blood flow into the ventricles.
e. are stretched during ventricular systole

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Shathena

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Darryl2057 Author

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#2

6 years ago

Thank you Jesus, my teacher is bad at explaining

Shathena

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#3

6 years ago

Praise the LORD ha ha No worries

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