B. Match cach part of the Respiratory System in Column A with its function in Column B. Write the letter of your choice in the space before each number COLUMNA COLUMN B 1.alveoli a. way for air to enter the body 2. right primary bronchus b. helps pump the lungs 3. lungs c. site for oxygen and carbon dioxide exchange 4. larynx d. purifies and humidifies the air 5. oral cavity e. lets air reach the alveoli 6. bronchioles f. channels the air down the airways 7. pharynx g. moves the ribs during breathing 8. left primary bronchus h. lets air and food enter 9. ribs i. protects the respiratory organs 10. nasal cavity j. keeps food from entering the airways 11. epiglottis k. helps keep the lungs flexible 12. nostrils 1. allows the air to enter the right lung 13. trachea m. letting air pass through speech production 14. pleural membrane n. channels the air toward the left/right bronchi 15. diaphragm 0. allows the air to enter the left lung 16. Intercostal muscle p. carries out oxygen-carbon dioxide exchange 2​