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Identify the correct statement with reference to human digestive system.

1. Serosa is the innermost layer of the alimentary canal
2. Ileum is a highly coiled part
3. Vermiform appendix arises from duodenum
4. Ileum opens into small intestine

Correct answer: Ileum is a highly coiled part

Solution

The ileum is the final and highly coiled segment of the small intestine. The other statements are incorrect because serosa is the outermost layer, the appendix arises from the caecum, and the ileum opens into the large intestine, not the small intestine.

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