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Author Question: Where does the electrical impulse start in the heart? a. sinoatrial node b. atrioventricular node ... (Read 167 times)

nmorano1

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on: Jun 25, 2018
Where does the electrical impulse start in the heart?
 a. sinoatrial node b. atrioventricular node
  c. bundle of His d. Purkinje fibers

Question 2

Which cells contribute most to blood clotting?
 a. lymphocytes b. platelets
  c. red blood cells d. white blood cells


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smrtceo

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

a

Answer to Question 2

b


nmorano1

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Reply #2 on: Jun 25, 2018
Thank you :)


smrtceo

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Reply #3 on: Jun 25, 2018
Happy to help you


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