[Campbell Biology P.1006] According to Figure 43.7, which of the following is categorized as ... | Practice Question

According to Figure 43.7, which of the following is categorized as a barrier defense of innate immunity?

  • A: Phagocytic cells
  • B: Natural killer cells
  • C: Secretions
  • D: Inflammatory response

Explanation

Figure 43.7 clearly categorizes 'Skin', 'Mucous membranes', and 'Secretions' as 'Barrier defenses' within innate immunity. Phagocytic cells, Natural killer cells, and Inflammatory response are listed under 'Internal defenses'.