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What is the difference between alveoli and villi????
Answers
Answer:
The basic difference is that alveoli are located in the lungs while villi are found in small intestine.
Not so fast... alveoli form a semi permeable layer for the exchange of O2 and Co2 present in the blood. Villi on the other hand increase the surface area for absorption of food. Villi basically are extension or modification of cells well alveoli are no modified cells. Alveoli are sac like structure opposed to villi that are finger like projections.
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The Common difference between villi and alveoli is that villi are the finger-like projections present on the inner lining of the small intestine and facilitate nutrient absorption while alveoli are the tiny sac-like structures present in the lung that facilitate rapid exchange of oxygen and carbon dioxide.
Villi and alveoli are two important structures present in our body. Villi are present in the inner lining of the small intestine while alveoli are present at the end of the respiratory tree. In fact, villi are the basic units of nutrient absorption of the gastrointestinal tract while alveoli are the basic units of the ventilation of the respiratory tract. Both structures have a higher surface area in order to carry out their respective functions rapidly and efficiently.