Select the incorrect statement w.r.t. the respiratory membrane.
- AIt is made up of three major layers.
- BThe total thickness of the respiratory membrane is much less than a millimeter.
- CIt includes the alveolar wall, the basement membrane, and the endothelial lining of alveolar capillaries.
- DThe alveolar wall is composed of cuboidal epithelium.
✓ Correct answer: D
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