What aspect of fitness do blood pressure, heart rate (pulse), and breathing rate measure? diet
exercise
cardiovascular fitness
stress management
(how ever answers right gets a)

cardiovascular fitness

Explanation: It measures the capacity of the heart, lungs, and blood to transport oxygen to the working muscles, and measures the utilization of oxygen by the muscles during exercise.

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.