The number of basic layers of inner wall of the alimentary canal is
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Updated on : 2022-09-05
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Correct option is D)
The alimentary canal has four different layers. From innermost to outmost, the order goes mucosa, submucosa, muscularis, and serosa- innermost produces mucous which helps food move along and protects more delicate tissues from being digested.
So, the correct answer is 'Four'.
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