how big is the small intestine in length
Small intestine The length of the small intestine can vary greatly, from as short as 2.75 m (9.0 ft) to as long as 10.49 m (34.4 ft).[3] The average length in a living person is 3m-5m.[4][5] The length depends both on how tall the person is and how the length is measured.[3] Taller people generally have a longer small intestine and measurements are generally longer after death and when the bowel is empty.[3]
Small intestine Food from the stomach is allowed into the duodenum through the pylorus by a muscle called the pyloric sphincter.
Small intestine Absorption of the majority of nutrients takes place in the jejunum, with the following notable exceptions:
Large intestine Most sources define the large intestine as the combination of the cecum, colon, rectum, and anal canal.[2][3] Some other sources exclude the anal canal.[4][5][6]