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Author Question: Which of the following are the first to defend the body tissues against microbes that have ... (Read 138 times)

daltonest1984

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on: Aug 20, 2018
Which of the following are the first to defend the body tissues against microbes that have penetrated the outermost barrier?
 a. phagocytes
  b. antigens
 c. T-cells
 d. B-cells
 e. skin cells

Question 2

Deficiencies and excesses of vitamin A can both be fatal. How could an excess of vitamin A occur?
  1.Excess dietary beta-carotene
  2.Excess dairy product consumption
  3.Excess fish consumption
  4.Excess cereal consumption
  5.Excess use of supplements


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meltdown117

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

a

Answer to Question 2

5


daltonest1984

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Reply #2 on: Aug 20, 2018
Thanks


meltdown117

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Reply #3 on: Aug 20, 2018
Welcome :)


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