Why Are Epithelial Membranes Not Very Thick

question 24

Multiple Choice

Why are epithelial membranes not very thick?

• A)Epithelial tissues are required to support other cells growing on top of the tissue.
• B)Epithelial tissues play a critical role in transport, and must be thin to allow diffusion to occur.
• C)Epithelial tissues can only reach a certain thickness because their growth is constrained by microtubules inside the cell membrane.
• D)Thick epithelial tissues would collapse due to the drying effect of the environment.

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