In this video, I show you how to make a simple working model of the human respiratory system using everyday items. This hands-on activity is a fun way to visualize how lungs and the diaphragm work ...

Alveoli are the basic functional units of the human respiratory system, acting as tiny air sacs that exchange gases. Air inhaled through the mouth and nose flows into the lungs through the branched ...

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 ...