Identify the 3 portions of the small intestines. which portion performs the bulk of chemical digestion?

Hey there,
duodenum: a mixing bowl that receives chyme from the stomach and digestive secretions from the pancreas and liver
jejunum: a junction that reenters the peritoneal cavity, the bulk of chemical digestion and nutrient absorption occurs
ileum: this part is connected to the large intestine by the ileocecal valve

The duodenum is the answer.

Hope this helps :))

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Stand or kneel behind the child and wrap your arms around his or her waist. locate the navel with one or two fingers in the middle of the child’s abdomen. just above the navel and well below the lower tip of the breastbone