This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Iron is absorbed in: March 2012 
Select and explain. 
A. Stomach, B. Duodenum, C. Ileum, D. Duodenum + Jejunum
B: Duodenum
Answer: B: Duodenum 
Explanation: Ans: B i.e. DuodenumSite of absorptionStomach is the site of absorption of water and alcoholDuodenum is the site of absorption of iron and calciumIleum is the site of absorption of vitamin B12 and bile salt