The bone marrow produces defense cells. ... The secondary lymphatic organs are the place where the defense cells do their actual work. These organs include the lymph nodes, the spleen, the tonsils and other specialized tissues in the mucous membranes of the bowel, for example.
What are the primary and secondary organs of the immune system? filmyzilla
The bone marrow produces defense cells. ... The secondary lymphatic organs are the place where the defense cells do their actual work. These organs include the lymph nodes, the spleen, the tonsils and other specialized tissues in the mucous membranes of the bowel, for example.
Không có nhận xét nào:
Đăng nhận xét