Anatomy and physiology — respiratory system

What you'll learn

1. 1

   Imagine a balloon inside your chest. When you breathe in, it gets bigger — when you breathe out, it gets smaller. That's your lungs! 🫁

2. 2

   What happens to your lungs when you breathe in? 🌬️

3. 3

   Drag the slider to show how the diaphragm moves when you breathe in. 👇

4. 4

   Let's trace the path of air into the body. 🧭

5. 5

   Where does oxygen actually enter your blood? 🩸

6. 6

   Tap the parts in order: nose → windpipe → bronchi → alveoli. 🧩

7. 7

   What's the main job of the respiratory system? 🫁