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.
853 pages on this wiki. The Respiratory System is the group of organs responsible for carrying oxygen from the environment to the bloodstream and for expelling carbon dioxide. Its primary function is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body.