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The Muscular system is the organ system whose primary function is movement and flexibility. The muscular system is made up of the muscles that let you move. There are three kinds of muscle in your body. Smooth muscle moves food through the digestive system.Cardiac muscle pumps blood throughout the body.he Muscular system is the organ system whose primary function is movement and flexibility. The muscular system is made up of the muscles that let you move. There are three kinds of muscle in your body. Smooth muscle moves food through the digestive system.
The lymphatic system plays a large role in immunity. This important system also absorbs digested fats from the small intestine. The components of the lymphatic system are divided into two groups â the primary organs and the secondary organs. Primary Organs: The thymus gland and the bone marrow are primary organs.They regulate the production and differentiation of lymphocytes â the cells that make up the immune system.he lymphatic system plays a large role in immunity. This important system also absorbs digested fats from the small intestine. The components of the lymphatic system are divided into two groups â the primary organs and the secondary organs. Primary Organs: The thymus gland and the bone marrow are primary organs.