Alveoli

/ˈælvɪˌɒli/

/æɫˈviəˌɫaɪ/

Alveoli

small, air-filled sacs in the lungs where oxygen and carbon dioxide are exchanged between the air and bloodstream during respiration

What are "alveoli"?

Alveoli are tiny, air-filled sacs located at the end of bronchioles in the lungs. They are the primary site of gas exchange, where oxygen from inhaled air enters the bloodstream and carbon dioxide, a waste product, is removed from the body during exhalation. The large surface area and thin walls of alveoli allow for efficient diffusion of gases, enabling the vital process of respiration in the human body.

Examples

1. This process takes place in the alveoli of the lungs.

2. The alveoli use pressure to move oxygen and nutrients into the blood.

3. So the alveoli and capillaries basically just swap one gas for another.

4. We get the garlic powder into the alveoli in your lungs.