ANATOMY

Detailed explanation-1: -The walls of the small intestine absorb water and the digested nutrients into your bloodstream.

Detailed explanation-2: -The middle part of your small intestine is the jejunum. The jejunum absorbs most of your nutrients: carbohydrates, fats, minerals, proteins, and vitamins. The lowest part of your small intestine is the ileum. This is where the final parts of digestive absorption take place.

Detailed explanation-3: -Small intestine. The walls of the small intestine absorb the digested nutrients into the bloodstream. The blood delivers the nutrients to the rest of the body.

Detailed explanation-4: -Monosaccharide sugars such as galactose, glucose, and fructose are absorbed by active transport across the microvillus membrane of the small intestine into the portal blood system for transport to the liver.

Detailed explanation-5: -In the small intestine, absorption occurs through the lumenal face of the mucosa, which is covered with finger-like projections called villi. Each villus is bordered by several pouches or invaginations called crypts.