The three primary functions of the immune system are to prevent or ameliorate infections, maintain homeostasis, and to:
a. promote phagocytosis c. prevent or ameliorate allergies
b. produce white blood cells d. recognize self from nonself
D
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A Incorrect. The three primary functions of the immune system are to prevent or ameliorate infections, maintain homeostasis, but not to promote phagocytosis.
B Incorrect. The three primary functions of the immune system are to prevent or ameliorate infections, maintain homeostasis, but not to produce white blood cells.
C Incorrect. The three primary functions of the immune system are to prevent or ameliorate infections, maintain homeostasis, but not to prevent or ameliorate allergies.
D Correct. The three primary functions of the immune system are to prevent or ameliorate infections, maintain homeostasis, and recognize self from nonself.
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