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Q1) Identify the correct statement with reference to human digestive system. [NEET 2020 ]

The appendix originates from the posteromedial aspect of the cecum.
The ileum is the last of the three parts of the small intestine. The transition from the jejunum to the ileum is not sharply marked, while at the distal end, the ileum opens into the cecum.
The mucosa is the innermost layer of the gastrointestinal tract