METROASPIRASIKU – What is the function of the alveoli? Alveoli are small sac-like structures or air sacs found in the lungs of humans and other mammals.
The main function of the alveoli is to exchange oxygen and carbon dioxide between the air that enters the lungs and the blood that flows through the surrounding blood capillaries.
This process of gas exchange occurs through the thin walls of the alveoli and blood capillaries which are located very close to each other.
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When we breathe air containing oxygen, the oxygen passes through the alveolar walls and enters the capillaries.
Oxygen is then bound to hemoglobin in red blood cells and carried throughout the body to support metabolic processes.
At the same time, the carbon dioxide produced by the body’s cells is released into the blood and then transported back to the lungs.
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In the lungs, this carbon dioxide passes through the alveolar walls and is then expelled from the body when we exhale.
Thus, the alveoli are very important in maintaining the balance of important gases such as oxygen and carbon dioxide in the body of humans and other mammals.
Alveoli also have several special characteristics that support the efficient function of gas exchange:
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1. Surface Area
Alveoli are very large in number and widely distributed in the lungs.
2023-08-02 01:39:00
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