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 nervous system is responsible for coordinating and controlling entire functions of the body. It handles all the activities of the body and is responsible for various senses humans feel. The... The nervous system is responsible for coordinating and controlling entire functions of the body. It handles all the activities of the body and is responsible for various senses humans feel. The nervous system is a highly specialized network system that contains countless neurons, which transmit signals between different parts of the body.