classify each of the defense mechanisms as a physical barrier, innate immunity, or adaptive immunity. drag and drop each mechanism to the appropriate category.
a. B cells
b. Collectins
c. Stomach acid
d. Cilia in the respiratory tract
e. Earwax
f. Fever
g. Complement system
h. Antibodies
i. T cells
j. Inflammation
k. Interferons
l. Unbroken skin
1. Physical barrier
2. Innate immunity
3. Adaptive immunity