What is the difference between absorption and assimilation in the process of digestion in animals?

Absorption – digested food products are absorbed into the bloodstream and transported to cells. Assimilation – digested food products are converted into the fluid and solid parts of a cell / tissue. Elimination – undigested food residues are egested from the body as semi-solid faeces.

What is the difference between absorption and digestion?

Digestion is the chemical breakdown of the ingested food into absorbable molecules. Absorption refers to the movement of nutrients, water and electrolytes from the lumen of the small intestine into the cell, then into the blood.