Absorption

From DictionGloss

The process of taking nutrients from the digestive system into the blood so they can be used in the body.

The process by which substances in gaseous, liquid, or solid form are assimilated or taken up by other substances.

Absorption is the uptake of fluids or other substances by the tissues of the body. Digested food is absorbed into the blood and lymph from the alimentary canal. Most absorption of food occurs in the small intestine.