Family Guy - Season 12 Episode 3 - Brian's Death - Duration: 2:44. GamesAddict2010 1,331,537 views
Breaking Down Digestion. The digestion process is a combination of chemical and mechanical digestion. Chemical digestion breaks down food via a chemical change, in which the digestive juices and enzymes break down food into components small enough to enter the GI tract, the blood cells or the lymph cells.
Absorption in the Mouth. Digestion begins in the mouth when food is mixed with saliva, containing digestive enzymes. Although there is a lot of chemical and mechanical activity during chewing, there is very limited nutrient absorption in the mouth. Some glucose absorption takes place in the mouth in the time the food is held for chewing -- less than a minute.