17 Two people of equal body mass do the same amount of exercise. One person is in good health. The other person has emphysema. The rate of oxygen entering each person’s blood in the lungs is measured. The results are shown in the table. Which statement explains these results? A The healthy person has a faster breathing rate. B The healthy person has a smaller lung volume. C The person with emphysema has damaged alveoli. D The person with emphysema has larger alveoli.