Question

Explain the role of the following in providing defence against infection in human body :
a. Histamine
b. Interferons
c. B – cells.

Answer 1

Answer:

a. Histamines cause allergic reaction of the immune system against allergens.

b. Interferons protect the non-infected cells of our body from viral infections.

c. B – cells produce antibodies against antigens/pathogens

Answer 2

Explanation:

a. Histamines cause allergic reaction of the immune system against allergens.

b. Interferons protect the non-infected cells of our body from viral infections.

c. B – cells produce antibodies against antigens/pathogens