Lungs and Respiratory System

Anatomy of the Lungs The lungs are a major organ that is part of the respiratory system, taking in fresh air and getting rid of old, stale air

The lungs are covered by a thin tissue layer called the pleura The same kind of thin tissue lines the inside of the chest cavity

lungs lungs dirty Your body works to keep your lungs as clean as possible The inside of your nose is lined with tiny hairs and a slimy mucus Dirt and germs

lungs The lungs and respiratory system allow us to breathe They bring oxygen into our bodies and send carbon dioxide out (called