The organ you are referring to is called the small intestine.
complications due to defect in absorption by the gastrointestinal tract.
absorption
The large intestine is responsible for absorption of water.
The definition of absorption in the digestive tract is is the process by which nutrient molecules pass through the wall of your digestive system onto your blood
Small Intestine
The lining of the small intestine is covered with tiny projections with many capillaries. The projections are called villi. Nutrients pass into the capillaries of the villi and then to other organs of the body.
The answers given here are wrong.The correct answer is assimilation.
Ascorbic acid
Within the Gastrointestinal tract of the human body
The gastrointestinal tract is part of the digestive system.
Vitamin B6 deficiency occurs rarely. When it does, it is usually associated with poor absorption of nutrients in the gastrointestinal tract
This would be in the small intestine, because most absorption takes place there.