Question

Lymphoid organs limit the spread of disease by filtering and trapping microscopic pathogens, preventing them from traveling elsewhere in the body which of the statement lymphoid organ? The outer cortex of the thymus consists of lymphoid follicles separated by inward extensions of the capsule called trabecular. White pulp in the lymph nodes contains macrophages and leukocytes that filter pathogens from lymph. Red pulp, found in the spleen, contains macrophages that destroy did erythrocytes. The lymph nodes secrete hormones that produce functional T cells. Which protect the body from pathogens

Answer 1

20.1- D

Within the lymph nodes there are B cells and T cells which recognize the pathogens and which multiply in response.

20.2 B