Question

How are alveoli designed to maximise the exchange of gases?​

Answer 1

The alveoli are thin walled and richly supplied with a network of blood vessels to facilitate exchange of gasesbetween blood and the air filled inalveoli. They have balloon – like structure that provide maximum surface area for exchange of gases.

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Answer 2

$\huge \bf \purple{ANSWER}$

The bronchus, within the lungs divide into smaller tubes called bronchioles and finally terminate in balloon-like structures called "alveoli". The alveoli are made up of thin moist members which are richly supplied within blood and provide a very large surface area for the gaseous exchange.

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