The principle function of the lymph node in the man is

Options

A. Destruction of old RBC
B. Destruction of old WBC
C. Collection and destruction of pathogens in the blood
D. Production of WBC

Answer

C

Explanation

Lymph nodes are the major site of B and T lymphocytes. These act as fighters against foreign invasion by bacteria, viruses, cancer cells or toxins. These lymphocytes also help to control the immune response.