Question
Download Solution PDFWhich is the longest organ of digestive system in human body?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Small intestine.
Key Points
- The small intestine is the longest part of the digestive system.
- The length of the small intestine is 7 meters (22 feet).
- The main functions of the small intestine are to complete the digestion of food and to absorb nutrients.
- Passage of food through the small intestine normally takes three to six hours.
- Bile, pancreatic enzymes, and alkaline juice (HCO3–) are the three main substances that are received by the small intestine.
- The small intestine is divided into the duodenum, jejunum, and ileum.
- Iron is absorbed in the duodenum, most are absorbed in the jejunum and Vitamin B12 and bile salts are absorbed in the latter part of the ileum.
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