How are alveoli designed to maximize the exchange of gas?
Answers
Explanation:
alveolis are specially designed for maximum exchange of gases.....the following are the adaptations.....similar as those of intestinal walls(villi)......
•They are richly supplied with blood capillaries.....
•They have a huge surface area.....this can be proven by the fact that they occupy 80 m² area!
•They are made up of a single layer of epithelium hence they are designed for maximized gas exchange
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Answer:
Here are some features of the alveoli that allow this:
they give the lungs a really big surface area.
they have moist, thin walls (just one cell thick)
they have a lot of tiny blood vessels called capillaries.