Question

What are the functions of the structure seen here? Afferent lymphatic vessels Cortex Lymphoid follicle • Germinal center Subcapsular sinus Efferent lymphatic vessels -Hilum Medulla • Medullary cord • Medullary sinus Trabeculae Capsule (a) Longitudinal view of the internal structure of a lymph node and associated lymphatics

The destruction of bacteria in the intestinal wall and generation of "memory" lymphocytes for long-term immunity

The filtration of lymph and activation of the immune system

Lymphocyte proliferation, immune surveillance and response, and filtration of blood

Gathering and removal of pathogens entering the pharynx in food or in inhaled air

Answer 1

Answer C. Lymphocyte proliferation, immune surveillance and response, and filtration of blood.

Explanation-Lymphocyte on encountering antigen proliferate and gives an immune response. This leads to swollen and hard lymp node in the body at the site of infection.