Question

multiple select question
select all that apply
what are functions of lymph nodes?

filtration of lymph
filtration of blood
site of b and t cell activation
site of b and t cell development

Explanation:

1. Filtration of lymph: Lymph nodes filter lymph to remove pathogens, debris, etc.
2. Site of B and T cell activation: Lymph nodes are where B and T cells get activated by antigens during an immune response.
3. Filtration of blood: Blood filtration is done by organs like the kidneys, not lymph nodes.
4. Site of B and T cell development: B cells develop in the bone marrow, T cells in the thymus; lymph nodes are for activation, not development.

Answer:

A. Filtration of lymph, C. Site of B and T cell activation