ARDS (Acute Respiratory Distress Syndrome) Symptoms, Causes, Treatment - What is ARDS? - MedicineNet
To understand ARDS, it helps to understand how the lungs work. When you breathe, air passes through your nose and mouth into your windpipe. The air then travels to your lungs' air sacs. These sacs are called alveoli (al-VEE-uhl-eye). Small blood vessels c...