Examples of body systems working together?

skeletal & muscular- provide movement and support. digestive & circulatory- digestive system breaks down large molecules into small molecules to enter the cell. circulatory system carries small molecules to the cell. muscular & nervous- helps you move around and interact with the environment. nervous & endocrine- control coordination of many of the body's activites; respond to and send messages to cells throughout the body. circulatory & respiratory- exchange gases between body cells and the environment. excretory & circulatory- circulatory brings blood to the excretory system to be cleaned and filtered.