The wall of the alveolus (air sac) in the lung is composed of simple squamous epithelium.
The lungs is that part of the body that is responsible for the carrying out of gaseous exchange. Now we know that the lungs is very much central in the body because it is here that the exchange between oxygen and carbon dioxide occurs.
The wall of the alveolus (air sac) in the lung is composed of simple squamous epithelium. option A. This is they type of epithelium that allows the exchange of gases.
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