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Home Q & A Board Biology-Related Homework Help General Biology
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Tatu Tatu
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6 years ago
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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quest27quest27
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6 years ago
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Tatu Author
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#2
6 years ago
Makes tons more sense now! Vote with confidence people, these are all correct
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#3
6 years ago
Slight Smile Feeling super proud now
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