In the wall of alimentary canal which areis true sequence from outer to inner

In The Wall Of Alimentary Canal Which Areis True Sequence Biology Question

In the wall of alimentary canal which are/is true sequence from outer to inner

Options

(a) Serosa,longitudinal muscle,mucosa,sub mucosa
(b) Mucosa, serosa, long muscle
(c) Serosa, long muscle, circular, sub-mucosa, mucosa
(d) Serosa, long muscle, sub-mucosa, mucosa

Correct Answer:

Serosa, long muscle, circular, sub-mucosa, mucosa

Explanation:

The wall of alimentary canal is made up of four basic layers.First of all there is serosa which is a thin membranous covering around oesophagus.Then there is muscle layer-outer layer of longitudinal muscles and inner layer of circular muscles .Last there is submucosa which contains a few oesophageal glands.Then comes mucose which have several layers of flattened cells.

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Topics: Human Digestion and Breathing (169)
Subject: Biology (4113)

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