Lungs

What allows you to breathe in fresh air? What allows you to breathe out old air? What allows you to talk? The lungs!
You have two lungs. They take up most of your chest. Your ribs protect your lungs from getting hurt. You can feel your lungs if you put one hand on your chest and breathe deeply.
Your lungs grow big when you breathe in air. Then oxygen from the air goes into your blood. Your body needs oxygen in order to live.
When your body has used up the oxygen it needs, it must get rid of old air. This air is warm from being inside your body. Your lungs breathe it out and make room for new air.
Your lungs help you talk, too. The more air you breathe in, the louder and longer you can talk in one breath. Lungs are important for breathing, talking, and even singing!