Cool Videos: A Look Inside a Mouse’s Lung

Very cool video of the inside of a mouse lung from NIH Director’s Blog!! Thanks Francis Collins!!

NIH Director's Blog

Mouse Lung

If you have ever wondered what it is like to be an oxygen molecule inhaled through the lungs, here is your chance to find out! In this movie, we take a fantastic voyage through the slippery airways of the adult mouse lung.

We begin at the top in the main pipeline, called the bronchus, just below the trachea and wind through a system of increasingly narrow tubes. As you zoom through the airways, take note of the cilia (seen as goldish streaks); these tiny, hair-like structures move dust, germs, and mucus from smaller air passages to larger ones. Our quick trip concludes with a look into the alveoli — the air sacs where oxygen is delivered to red blood cells and carbon dioxide is removed and exhaled.

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