Cilia

Cilia are tiny hair-like structures that move in unison to facilitate movement. In human airways, they sweep away dust and particles, protecting the lungs from infection. Single-celled organisms use cilia to navigate through liquids, acting like paddles to propel themselves.

What role do cilia play in the airways?

What is the primary purpose of cilia in the lungs?

How do single-celled organisms utilize cilia?

Describe how cilia function in terms of movement.

In what type of environment do organisms use cilia to propel themselves?