HUMAN NUTRITION

Detailed explanation-1: -The muscles of the small intestine mix food with digestive juices from the pancreas, liver, and intestine, and push the mixture forward for further digestion. The walls of the small intestine absorb water and the digested nutrients into your bloodstream.

Detailed explanation-2: -The small intestine is responsible for absorption of nutrients, salt, and water. On average, approximately nine liters of fluid enters the jejunum each day. The small intestine absorbs approximately seven liters, leaving only 1.5-2 liters to enter the large intestine.

Detailed explanation-3: -After the food is digested, it is broken down into nutrients such as carbohydrates, fats, proteins, vitamins and minerals. All these nutrients are absorbed in the small intestine, into the blood, from where it is taken to other parts of the body.