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Author Question: Which is referred to as the pacemaker of the heart? a. bundle of His b. Purkinje fibers c. AV node ... (Read 23 times)

s.tung

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on: Jun 25, 2018
Which is referred to as the pacemaker of the heart?
 a. bundle of His b. Purkinje fibers
  c. AV node d. sinoatrial node

Question 2

Which does NOT carry oxygenated blood?
 a. aorta
  b. pulmonary artery
  c. pulmonary vein
  d. All of the above carry oxygenated blood.


Moriaki

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Reply #1 on: Jun 25, 2018
Answer to Question 1

d

Answer to Question 2

b


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