![Air Sacs of a Bird. How the Respiratory System of Birds Works. | Vet medicine, Vet tech student, Vet tech school Air Sacs of a Bird. How the Respiratory System of Birds Works. | Vet medicine, Vet tech student, Vet tech school](https://i.pinimg.com/736x/b6/c4/10/b6c4105dafa0f4ecc0348ead2b5ebd08.jpg)
Air Sacs of a Bird. How the Respiratory System of Birds Works. | Vet medicine, Vet tech student, Vet tech school
Breathe Better on X: "Pneumonia is an infection that causes the air sacs (called alveoli) in one or both lungs to fill up with fluid or pus. Find out how it can
![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/original/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
![Illustration of human alveoli. The alveoli are air sacs in the lungs, at the ends of the bronchioles, that allow the exchange of carbon dioxide and ox Stock Photo - Alamy Illustration of human alveoli. The alveoli are air sacs in the lungs, at the ends of the bronchioles, that allow the exchange of carbon dioxide and ox Stock Photo - Alamy](https://c8.alamy.com/comp/2DHN6E8/illustration-of-human-alveoli-the-alveoli-are-air-sacs-in-the-lungs-at-the-ends-of-the-bronchioles-that-allow-the-exchange-of-carbon-dioxide-and-ox-2DHN6E8.jpg)