A. Briefly describe the structural and functional differences between the following:(a) Respiratory Bronchiole and Terminal Bronchiole (b)Alveolar Sac and Alveolus
B. Mention the changes in the type of epithelia encountered as the molecule of oxygen moves from the nose to the alveolus.
C. Name two adaptations that ensure that the airways will remain open under the normal conditions of inhalation and exhalation.
D. Premature children do not produce adequate amounts of pulmonary surfactant. Name two cells that are involved