Spider monkeys are among the largest New World monkeys; black-headed spider monkeys, the largest spider monkey, have an average weight of 11 kilograms (24 lb) for males and 9.66 kg (21.3 lb) for females.
IMMUNE SYSTEM. -responsible for protecting the body against bacteria, viruses, fungi, toxins, parasites, and cancer. -works with organs of lymphatic system, thymus, spleen, and lymph nodes, to clear body of these disease causing agents. LYMPHATIC SYSTEM.
Lymph nodes are small filtering and processing centers for your immune system. The lymph flowing into a lymph node carries with it the bacteria, viruses, cancer cells, debris, and other potentially dangerous agents that have filtered into the lymphatic vessels from your bloodstream and tissues.