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.
Glands and lymph nodes are important structures in the human body. These structures help to regulate biological processes and maintain immune functions in the body. Most glands are associated with the circulatory system, and lymph nodes produce the component of the circulatory system (while blood cells). Lymph Nodes. Lymph nodes (or lymph glands) belong to the lymphatic system, which is very important to establish a defensive network in the body. Lymph nodes, basically, contain white blood cells including lymphocytes and macrophages.