Why is the respiratory system the best body system and why do we need it over others? (for debate purposes)

Laura is 25 years old, 65 inches tall, and weighs 145 pounds. her bmi classification would be : a) normal b) obese c)overweight d)underweight deepak is 35 years old, 71 inches tall, and weighs 178 pounds. his bmi classification would be : a) normal b) obese c) overweight d) underweight

Which of the following processes does the body not use protein to perform? a. repairing muscles b. producing hormones c. making hemoglobin d. creating amino acids

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells