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Author Question: A thick, slippery secretion of ________ forms a protective layer, preventing the destruction of the ... (Read 71 times)

berenicecastro

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on: Aug 20, 2018
A thick, slippery secretion of ________ forms a protective layer, preventing the destruction of the stomach lining from strong digestive juices.
 
  A. mucus
  B. pepsin
  C. hydrochloric acid
  D. bicarbonate

Question 2

The blood brings water and waste products that it has removed from cells to the ________ for excretion from the body.
 
  A. large intestine
  B. kidneys
  C. heart
  D. small intestine


kjohnson

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

ANS: A

Answer to Question 2

ANS: B


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