Illustration depicting emphysema, a condition characterized by damage to the alveoli. Alveoli are the small air sacs at the end of the respiratory tree (in the lungs). Long term exposure to compounds
COPD
Lungs: Location, Anatomy, Function & Complications
Emphysema | medical disorder | Britannica
Cholesterol Molecule Yields Insights Into Distressed Lungs | NIH Intramural Research Program
The New York Times on Twitter: "Human lungs are made up of millions of microscopic, balloon-shaped air sacs called alveoli, the workhorse of the respiratory system, where the exchange of gases takes
The lungs
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Definition of alveoli - NCI Dictionary of Cancer Terms - NCI
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avian respiration - YouTube
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Bronchioles and alveoli in the lungs - Mayo Clinic
3,600 Air Sac Images, Stock Photos & Vectors | Shutterstock
Gross morphological features of the air sacs of the hooded crow (Corvus cornix) - El‐Sayed - 2020 - Anatomia, Histologia, Embryologia - Wiley Online Library
How birds breathe, in 184 words | Sauropod Vertebra Picture of the Week
The Lungs, How the Lungs Work, The air sacs of the lungs, Breathing, Respiratory System
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Chickscope 1.5: Explore: Embryology: Day 15 - The Respiratory System: How Birds Breathe
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Emphysema
:max_bytes(150000):strip_icc()/what-are-alveoli-2249043-01-94dfddd4dfe9488b8056d586824c7c36.png "Alveoli: Function, Lung Anatomy, and Causes of Damage")