Lung Cancer Is the Leading Cause of Cancer Death in the U.S.

This year 228,220 Americans will be diagnosed with lung cancer.

Why are lungs important?

Every cell in your body needs oxygen in order to live. When we inhale, our lungs bring in oxygen and other gases. Once in the lungs, oxygen is moved into the bloodstream and carried to every cell. And when we exhale, our lungs get rid of carbon dioxide, which is a waste gas.

Our lungs also bring outside air to proper body temperature and humidity. They protect us from harmful substances by coughing, sneezing, filtering, or swallowing them. And lungs support our sense of smell.

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