How are the alveloi design to maximize the exchange of gases?
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The alveoli are thin walled and richly supplied with a network of blood vessels to facilitate exchange of gases between blood and the air filled in alveoli. They have balloon – like structure that provide maximum surface area for exchange of gases.
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Within the lungs , the air passage
divides into smaller and smaller tubes
called bronchi which in turn form
bronchioles . The bronchioles terminate
in balloon-like structures called alveoli .
The alveoli present in the lungs provide
maximum surface for exchange of gases .
The alveoli have vary thin walls and
contain an extensive network of blood
vessels to facilitate exchange of gases .
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