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Author Question: The average life span of a red blood cell is A) 24 hours. B) 1 month. C) 4 months. D) about 1 ... (Read 55 times)

itsmyluck

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The average life span of a red blood cell is
 A) 24 hours.
  B) 1 month.
  C) 4 months.
  D) about 1 year.
  E) many years.

Question 2

The vitamin that is essential for the production of several clotting factors is vitamin
 A) A.
  B) B.
  C) E.
  D) C.
  E) K.



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mirabriestensky

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Answer to Question 1

C

Answer to Question 2

E




itsmyluck

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Reply 2 on: Feb 28, 2019
Gracias!


bulacsom

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Reply 3 on: Yesterday
Wow, this really help

 

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