List the two main functions of the lymphatic system. The lymphatic system fights infection and returns fluid to the circulatory system. 5. Describe how the lymphatic system plays a role in both the innate immune response and the adaptive immune response. 5. Weight loss, decrease in muscular strength, appetite and mental activity _____ 6. Drug that treats AIDS by blocking an enzyme needed to make copies of HIV _____ 7. Group of symptoms associated with suppression of the immune system; infections, new
(5.) is incorrect because there generally are no afferent lymph vessels in the spleen. (1.) is incorrect because the endothelium is not 'high' --also leukocyte homing in a lymph node is usually restricted T and B-cells and monocytes. (2.) is incorrect because medullary sinuses are LYMPHATIC sinuses, not blood sinuses.