Process in which food is broken down in the GI tract, releasing many nutrients in forms the body can use?
Digestion
Process in which nutrients are taken into the cells lining the GI tract?
Absorption
Movement of nutrients through the circulatory system from one area of the body to another?
Transport
The sum of the vast number of chemical changes in the cell, the functional unit of life, which finally produces the essential materials necessary for energy, tissue building, and metabolic controls?
Metabolism
What is the ability to move spontaneously?
Motility
Digestion begins in the mouth, with muscles and nerves in the walls of the GI tract...
coordinating their actions to provide the necessary motility for digestion to proceed