Which part (s) are involved in the absorption of materials?
1. colon, rectum and anus
2. duodenum, jejunum, ileum, stomach and colon
3. oral, salivary glands, stomach, duodenum, liver, pancreas and gall bladder
4. duodenum, jejunum, ileum, anus, and esophagus
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Answer:
option 3 from my opinion
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