The diagram shows a generalized cross section of the marine environment with various zones labeled with letters.
-Phagocytic cells of innate immunity of vertebrates include ________.
I. neutrophils
II. macrophages
III. platelets
IV. mast cells
A) I and II
B) II and IV
C) I and IV
D) I, II, and III
E) I, II, III, and IV

Question

The diagram shows a generalized cross section of the marine environment with various zones labeled with letters. 
-Phagocytic cells of innate immunity of vertebrates include ________.
I. neutrophils
II. macrophages
III. platelets
IV. mast cells
A) I and II 
B) II and IV 
C) I and IV 
D) I, II, and III 
E) I, II, III, and IV

Quizplus · Accepted Answer

Neutrophils and macrophages are both phagocytic cells involved in the innate immune response of vertebrates. Platelets and mast cells are not phagocytic cells.

The Diagram Shows a Generalized Cross Section of the Marine