- The lymph also has a very important function as your body's first line of defense versus infection. It shields the human body from microorganisms. 32. Aquila S, Guido C, Santoro A, et al. Human sperm anatomy: ultrastructural localization in the cannabinoid1 receptor and a potential purpose of anandamide in https://lymphatic-system08641.blogs-service.com/60344802/a-review-of-lymphatic-system