You need to know the rules and where is it going to be at. What kind of fitness program. Who is it going to be for?
I beleve they have to get recertification every year but I may be wrong, with me reserach this is what I believe to be the correct answer
The cardio-respiratory system consists of the cardio vascular system (heart and blood vessels) together with respiratory system (lungs and air ways). These systems work to transport oxygen to the muscles and organs of the body and remove waste products including carbon dioxide.