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Author Question: What is the lifespan of a red blood cell? a. 120 days b. 100 days c. 75 days d. 45 days e. 12 ... (Read 121 times)

karen

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on: Aug 20, 2018
What is the lifespan of a red blood cell?
 a. 120 days
  b. 100 days
  c. 75 days
 d. 45 days
 e. 12 days

Question 2

In the buffering system, CO2 + H2O H2CO3 H+ + HCO3-, which component acts as the acid?
 a. CO2
  b. H+
  c. HCO3-
  d. H2CO3


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vish98

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Reply #1 on: Aug 20, 2018
Answer to Question 1

a

Answer to Question 2

a


karen

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Reply #2 on: Aug 20, 2018
TY


vish98

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Reply #3 on: Aug 20, 2018
You're welcome


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