Your lungs and a special muscle called the diaphragm work together to help you breathe. The diaphragm sits under your lungs like a stretchy balloon. When you breathe in, it pulls down, making more room in your chest and letting your lungs fill with air full of oxygen – something your body needs to stay alive! When you breathe out, the diaphragm pushes up, squeezing the air out and getting rid of things your body doesn’t need, like carbon dioxide. It’s like a perfectly timed dance between muscles and air that keeps you breathing without even thinking about it!
In this project delivered by Taylor, a member of the Rosie Innovators STEM program for young women in high school, you’ll build a model of the lungs and diaphragm to see exactly how breathing works. Ready to take a deep breath and dive in? Grab your materials and follow the steps below!