1. the number of times the heart beats in a minute stroke volume 2. the amount of blood the heart can pump in a single beat cardiac output 3. the total amount of blood the heart pumps in one minute heart rate 4. to widen or get larger in size wind sprints 5. the force exerted on the walls of the blood vessels by the blood moving through them blood pressure 6. very short, high intensity exercise segments that are included in a moderate exercise session