![The diagram illustrates the healthy trachea and air sacs of the human lungs highlighted with black lines for easy viewing. 8288533 Vector Art at Vecteezy The diagram illustrates the healthy trachea and air sacs of the human lungs highlighted with black lines for easy viewing. 8288533 Vector Art at Vecteezy](https://static.vecteezy.com/system/resources/previews/008/288/533/non_2x/the-diagram-illustrates-the-healthy-trachea-and-air-sacs-of-the-human-lungs-highlighted-with-black-lines-for-easy-viewing-vector.jpg)
The diagram illustrates the healthy trachea and air sacs of the human lungs highlighted with black lines for easy viewing. 8288533 Vector Art at Vecteezy
![Multimedia Gallery - Pulmonary air-sac systems of dinosaurs and birds exhibit striking similarities | NSF - National Science Foundation Multimedia Gallery - Pulmonary air-sac systems of dinosaurs and birds exhibit striking similarities | NSF - National Science Foundation](https://www.nsf.gov/news/mmg/media/images/dino_bird_f1.jpg)
Multimedia Gallery - Pulmonary air-sac systems of dinosaurs and birds exhibit striking similarities | NSF - National Science Foundation
The Learning Lab - #AreYouSmarterThanATLLStudent The diagram below shows an air sac in a human lung. Blood moves along the capillary from Position X to Position Y. The blood at X has
![Diagram Showing The Pulmonary Alveolus (air Sacs) In The Lung Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 15915102. Diagram Showing The Pulmonary Alveolus (air Sacs) In The Lung Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 15915102.](https://previews.123rf.com/images/blueringmedia/blueringmedia1210/blueringmedia121000039/15915102-diagram-showing-the-pulmonary-alveolus-air-sacs-in-the-lung.jpg)
Diagram Showing The Pulmonary Alveolus (air Sacs) In The Lung Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 15915102.
![Majestic Waterfowl Sanctuary - Newsletter - The Majestic Monthly: Waterfowl News Flown in Fresh off the Press Majestic Waterfowl Sanctuary - Newsletter - The Majestic Monthly: Waterfowl News Flown in Fresh off the Press](http://www.majesticwaterfowl.org/images/air%20sacs%20color.jpg)
Majestic Waterfowl Sanctuary - Newsletter - The Majestic Monthly: Waterfowl News Flown in Fresh off the Press
![Respiratory System. Air sac air-filled spaces in the body alveoli very small air sacs; where air breathed in goes. - ppt download Respiratory System. Air sac air-filled spaces in the body alveoli very small air sacs; where air breathed in goes. - ppt download](https://slideplayer.com/6035569/20/images/slide_1.jpg)