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Author Question: Exchange of oxygen, nutrients, and waste materials takes place across the walls of small vessels ... (Read 95 times)

abarnes

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Exchange of oxygen, nutrients, and waste materials takes place across the walls of small vessels called ____.
 
  a. ducts
  b. venules
  c. arterioles
  d. capillaries
  e. lymphatics

Question 2

What is the most metabolically active organ?
 
  a. Liver
  b. Spleen
  c. Stomach
  d. Pancreas
  e. Brain



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234sdffa

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Answer to Question 1

ANS: D

Answer to Question 2

ANS: A



abarnes

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Both answers were spot on, thank you once again




 

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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