Author Question: Leukocytes are A) white blood cells. B) red blood cells. C) platelets. D) ... (Read 41 times)

rachel9

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Leukocytes are
 
  A) white blood cells.
  B) red blood cells.
  C) platelets.
  D) capillaries.

Question 2

The main function of the immune system is to
 
  A) manufacture white blood cells.
  B) manufacture red blood cells.
  C) protect internal organs.
  D) defend against foreign invaders.



Ksanderson1296

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Answer to Question 1

A

Answer to Question 2

D



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