I believe the answer is b
Physical fitness is the answer I believe
The red arriero carry oxygen and nutrients away from your heart to your body tissues
Answer:
Hi Abby
Explanation:
Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working. The tests measure lung volume, capacity, rates of flow, and gas exchange. This information can help your healthcare provider diagnose and decide the treatment of certain lung disorders.