during respiration exchange of gases take place in :__________ .
Answers
Answered by
1
Answer:
million of alveoli is the answer.
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6
Answer:
Alveoli of lungs
Explanation:
An alveolar sac is made up of simple squamous epithelium and is surrounded by blood capillaries thin walls and increased surface area fever the gaseous exchange which take place in between the oxygen rich alveolar air and the carbon dioxide rich blood in the capillaries at aleovlar surface .
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