In this video, I use a fun and easy model to break down how your lungs really work. With just a straw, a cup, and some balloons, I help you visualize the respiratory system and explain why breathing ...

In this video I walk you through a simple DIY model that shows how the human respiratory system works. Using a plastic cup, straw and balloons, I demonstrate how the nose, mouth, trachea, lungs, rib ...