What is the Respiratory passages membrane is lined with?

Little hairs called cilia. Get on my level

The respiratory tract is lined with cilia, which comprise the mucociliary escalator.

They are lined with millions of tiny hair like structures called Cilia. These little hairs help to trap foreign air particles to keep them out of the lungs.

Little hairs called Cilia, which help filter dust from the air as it passes into the lungs.

The Respiratory membrane: The wall of the alveoli are composed primarily of a single layer of squamous epithelial cells, called type I cells, surrounded by a flimsy basement membrane. See page 815...