1. the body’s cells require oxygen for cellular respiration. they must also rid themselves of carbon dioxide, a waste product. how does this explain the change in breathing rate? 2. the cardiovascular system moves blood around the body. blood carries oxygen to cells and removes carbon dioxide from them. how does this explain the change in heart rate? 3. what are some of the ways your body regulates body temperature during strenuous activity? 4. how did your body respond after you stopped exercising? a. what does this response tell you about your body’s ability to maintain homeostasis? use data from each of the 5 parameters to support your answer. 5. research the physiology of common cold and fever. predict the effect of common cold and fever on the five parameters.