1. Define the following terms:(a) Ingestion(b) Absorption(c) Digestion(d) Assimilation(e) Alimentary canal(f) Digestive system(g) Enzymes

1. Define the following terms:(a) Ingestion(b) Absorption(c) Digestion

1.	1. Define the following terms:(a) Ingestion(b) Absorption(c) Digestion(d) Assimilation(e) Alimentary canal(f) Digestive system(g) Enzymes
Answer» <p>Ingestion: is the consumption of a substance by an organism. In animals, it normally accomplished by taking in the substance through the mouth into the gastrointestinal tract, such as through eating or drinking.</p><p>Absorptionis the movement of digested food moleculesthrough the wallof the intestine into the blood or lymph.</p><p>Digestionis the breakdown of large insolublefoodmolecules into small water-soluble food molecules so that they can be absorbed into the wateryblood plasma.</p><p>Biologicalassimilation, orbio-assimilation, is the combination of two processes to supplycellswithnutrients. The first is the process of absorption ofvitamins,minerals, and other chemicals fromfoodwithin thegastrointestinal tract. In humans, this is always done with achemical breakdown(enzymesandacids) and physical breakdown (oralmasticationand stomach churning). The second process of bio assimilation is thechemical alterationof substances in thebloodstreamby theliveror cellularsecretions</p>