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central nervous system, reproductive system, amune system, respretory system, periferal system and that's all i can think up :) the skeletal system
lymphatic systems major organ is the spleen
The digestive system.
lung
skin
Two ways of classifying organs into organ system is to see their main Major function and as well as their major organ.
There is no major organ in the skeletal system. Major structures for the skeletal system include bones, joints, ligaments, and cartilage.
lymphatic systems major organ is the spleen
The cranium (skull) is the collection of bones that protects the brain, which is the major organ of the nervous system.
Spleen is the major organ of lymphatic system of the body. But you have to remove the enlarged spleen to prevent, what is called as hypersplenism.
muscular
The major organ of the urinary system is two bean shaped kidneys.