Do body system include cardiovascular, muscular, and respiratory

Question

It has to do with physical fitness 

Answer 1

Yes, all body systems are heavily interconnected and interdependent upon one another. Physical fitness integrates multiple systems - primarily cardiovascular, muscular, skeletal, respiratory, nervous - to help the body function and move. The cardiovascular systems is important in keeping your heart beating when you exercise. Muscles and bones provide structure and support to help you move. Physical exercise - like everything - requires oxygen consumption and respiration. At the top of all this, the nervous system controls how to body moves, feels, and reacts.