Cilia are small hairs which beat to push ... Parts of the model represent different parts of the respiratory system as shown here. The model, which is air tight, represents the thorax, and air ...

For a long time, almost all attention was on the motile cilia because their function was readily observable. But scientists, starting with Alexander Kowalevsky had reported the presence of single ...

The cause of lung cancer is still unknown, but there is clinical evidence linking cancer with foreign matter in the respiratory system. Cilia are thin hairs that prevent such particles from ...