Which of the following part of your lung is responsible for sweeping away dust and dirt to keep your lungs clean?
A. Cilia
B. Bronchioles
C. Hairs in the lungs
D. Alveoli
Answer:A
Which of the following part of your lung is responsible for sweeping away dust and dirt to keep your lungs clean?
A. Cilia B. Bronchioles C. Hairs in the lungs D. Alveoli