Final answer:
The reference to 'Type III alveolar cells' is likely incorrect as there are primarily type I and type II alveolar cells in the lungs, along with alveolar macrophages which can migrate to remove debris.
Step-by-step explanation:
Type III alveolar cells, which are not a standard classification in lung biology, seem to be a misreference as the alveolar wall primarily consists of type I and type II alveolar cells, along with alveolar macrophages. Type I alveolar cells are the squamous epithelial cells that make up most of the alveolar surface, whereas type II alveolar cells are cuboidal in shape and are responsible for secreting pulmonary surfactant. If a cell type in the alveoli were to migrate, it would likely be the alveolar macrophages that move around to remove debris and pathogens from the alveoli.