Your cardiovascular system gets better when you increase the time and intensity of your workouts. what should the word in italics replace with to make this sentence more precise

Charlie is easily winded during soccer practice and wants to improve his cardiorespiratory fitness. which activity would be best for him to choose? lifting weights walking from one class to another running in a 5k race riding a bike at a leisurely pace

Curology what technique are the advertising using?

Describe the overall function of the nervous system