X1011569478-00049-12757</DOCNO> digestion LECTURE 28-30 Digestion and Absorption Ingested food, food present in the digestive tract, is external to the body Breakdown of food to its component parts (degradation) is termed digestion Both physical and chemical processes involved Movement of the digested materials into the body proper is termed absorption Reactions and conversions necessary to transform the absorbed material to provide energy, build tissues, and synthesize secretions 
(X1011569478-00049-12757; is; external to the body Breakdown of food to its component parts)
X1011569478-00049-12757
is
external to the body Breakdown of food to its component parts