For our body to function properly, coordinated action is required of all devices and systems it is made up of. As a result, all cells can perform their functions properly to maintain our health. THE DIGESTIVE SYSTEM THE RESPIRATORY SYSTEM nutritients oxygen THE CIRCULATORY excretion occurs SYSTEM body nutrition coordinating body information SENSE ORGANS response THE MUSCULAR SYSTEM NERVOUS SYSTEM AND ENDOCRINE SYSTEM ___________reproduction____________ THE REPRODUCTIVE SYSTEM THE REPRODUCTIVE SYSTEM