Crucigrama Grade 5 Body systemsVersión en línea Crossword of Body systems for grade 5 por Kris McCammitt 1 a combination of the circulatory and respiratory systems. 2 the system that includes lungs, trachea, and diaphragm. 3 the system that breaks down food for nutrients for the body 4 the body system consisting of bones, cartilage and tendons of the body 5 the system that sends messages to the brain to respond to 6 large sacklike structure for breathing 7 created in the marrow of the bone and carries oxygen from the lungs of the body. 8 main structure of the circulatory system 7 4 5 2 6 1 8