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Author Question: _____ are thick walled and muscular, and usually carry oxygenated blood. a. Veins b. Valves c. ... (Read 81 times)

jilianpiloj

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_____ are thick walled and muscular, and usually carry oxygenated blood.
 
  a. Veins
  b. Valves
  c. Arteries
  d. Capillaries

Question 2

Tuberculosis is caused by:
 
  A) a fungus. B) a virus. C) a protozoon. D) a bacterium.



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Shshxj

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Answer to Question 1

C

Answer to Question 2

D




jilianpiloj

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Reply 2 on: Jul 3, 2018
Gracias!


Jossy

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Reply 3 on: Yesterday
Excellent

 

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