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Question
Biology
What are the characteristics of alveoli?
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Q. What are the characteristics of alveoli?
Breathing and Exchange of Gases
A
Very thin, irregular walled and highly vascularised
61%
B
Thick and smooth membrane
7%
C
Network of blood capillaries and thick-walled
30%
D
Thick, regular walled and lack of blood vessels
2%
Solution:
Alveoli membrane is very thin, irregular, richly supplied with blood vessels because of which exchange of gases easily occurs here.