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: Pathology
Iron absorption occurs chiefly from 
Select and explain. 
A. Small Intestine, B. Duodenum, C. Stomach, D. Oesophagus
B: Duodenum
Answer: B: Duodenum 
Explanation: Iron absorption occurs in duodenal part of the small intestine.