The walls of the alveoli are composed of two types of cells. name these two types of cell

Two types are pneumocytes known as type I and type II cells found in the alveolar wall, and a large phagocytic cell known as an alveolar macrophage that moves about in the lumens of the alveoli, and in the connective tissue between them. Type I cells are squamous, thin and flat and form the structure of the alveoli.

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The two types are pneumocytes known as type one and type two cells found in the alveolar wall. Type one cells are squamous, thin and flat that form the structure of the alveoli.

Explanation:

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.