The wall of the alimentary canal is made up of the four layers (not in any order): the muscularis externa, serosa, mucosa and sub-mucosa. Which layer absorbs the end products of digestion
belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:9| Question number:113
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D: The mucosa is the innermost layer so digested food must pass through it to be absorbed.
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