Which row correctly identifies the regions of the gas exchange system that contain cartilage, ciliated epithelium, goblet cells and smooth muscle?
- Acartilage: bronchiole, trachea; ciliated epithelium: bronchiole, trachea; goblet cells: bronchus, trachea; smooth muscle: bronchiole, trachea
- Bcartilage: bronchus, trachea; ciliated epithelium: bronchiole, bronchus; goblet cells: bronchus, trachea; smooth muscle: bronchiole, trachea
- Ccartilage: bronchiole, trachea; ciliated epithelium: bronchus, trachea; goblet cells: bronchiole, bronchus; smooth muscle: bronchiole, bronchus, trachea
- Dcartilage: bronchus, trachea; ciliated epithelium: bronchiole, bronchus, trachea; goblet cells: bronchus, trachea; smooth muscle: bronchiole, bronchus, trachea