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.
The endocrine system is responsible for coordinating and regulating body cells, tissues, organs, and systems to maintain homeostasis by secreting chemicals. known as hormones. Unlike the nervous system, the effects of the endocrine. system are sustained and work for longer periods of time. The endocrine system.