Lungs - We Help You Breathe What Else Lungs Can Do Protect you: Trap dust and germs with mucus and immune cells. Help you speak: Airflow powers your voice. Keep balance: Breathing maintains your body’s acid–base levels. Feel The Power Of Your Lungs You can’t see your lungs - but you can feel them in action! Put your hands on your chest and take a deep breath in. Feel your chest rise… now breathe out and feel it relax. That’s your lungs at work - your body’s natural power engine! How To Care Lungs Don’t smoke or breathe secondhand smoke Avoid infection, wash hands, wear masks, and stay away from crowds when sick Exercise regularly to build lung strength See a doctor if you cough, wheeze, or feelbreathless often Do's and Don'ts for a healthy Lungs Source : My Health World