A researcher is investigating the distribution of goblet cells in the respiratory system. She injects dye that will be picked up by goblet cells into an animal model. Where is the dye most likely to be absent?
A. Intrapulmonary bronchi
B. Larynx
C. Nasopharynx
D. Terminal bronchioles
E. Trachea
A. Intrapulmonary bronchi
B. Larynx
C. Nasopharynx
D. Terminal bronchioles
E. Trachea