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.
Another danger they face is a weak immune system. The immune system is the bodyâs form of defense. It is comprised of organs, tissues, cells and cell products that all work together to fight harmful substances like the pathogens that cause infection and disease.There are two main ways that stress has a direct, negative effect on the immune system:he immune system is the bodyâs form of defense. It is comprised of organs, tissues, cells and cell products that all work together to fight harmful substances like the pathogens that cause infection and disease. There are two main ways that stress has a direct, negative effect on the immune system: