21. Immune System
Innate Defenses: Internal Defenses
Multiple Choice
Multiple ChoiceWhich of the following is/are secreted by leukocytes and macrophages and result(s) in a fever?
A
histamine
B
pyrogens
C
keratin
D
heparin
E
antibodies
538
views
Related Videos
Related Practice
Showing 1 of 4 videos