Your lungs are a pair of large organs in your chest and are part of your respiratory system. When you breathe, air enters your body through your nose or mouth.\r<br>\r<br>An animation showing how the lungs work and what they do.\r<br>\r<br>View full lesson: When you breathe, you transport oxygen to the bodys cells to keep them working, .\r<br>\r<br>Subscribe here: MAGIC BOX ANIMATION PROUDLY PRESENTS EARLY .
