How does the structure of each alveolus allow for the exchange of oxygen and carbon dioxide? O Each alveolus is made up of simple cuboidal epithelium and is surrounded by a capillary network
Each alveolus is made up of simple squamous epithelium and is surrounded by a capillary network.
O Every alveolus is surrounded by a layer of simple squamous epithelium and a network of lymphatic capillaries.
O Every alveolus is surrounded by a simple layer of columnar epithelium and a network of arterioles and venules.