Breathe in, breathe out, breathe in, breathe out... In this BrainPOP UK movie, Tim and Moby discuss the respiratory system and how it works. In this educational, animated movie you’ll find out why your body needs to constantly breathe, how your lungs work, and the function of your diaphragm. Learn where air goes when you inhale, how oxygen gets into your blood, and how and why you exhale carbon dioxide. Discover too, why it’s important to keep your lungs in good working order, and what you should, and should not do, to keep them healthy. All together now: Breathe in, breathe out, breathe in...