In people with FMD, the dysplasia involves the walls of one or more arteries in the body. Areas of narrowing, called stenosis, may occur as a result of abnormal cell development. If enough narrowing causes a decrease in blood flow through the artery, symptoms may result.
  Digestion begins in the mouth. Mechanical digestion begins with the chewing of food. Chemical digestion also begins in the mouth with the enzymes been produced and used â¦ to break down the food. 4 people found this useful.he main parts of the digestive system are the mouth, esophagus, stomach, small intestine, large intestine, liver, gull bladder, and pancreas. Food does not actually pass thro â¦ ugh the liver, gull bladder and pancreas, but they do produce a green liquid called bile that helps digestion.
Confidence votes 38. Most of the digestion occurs in the stomach and small intestine, however some components are harder to digest and that may occur in the large intestine or with help from the gallbladders bile. Physical digestion occurs in the mouth, by a process called chewing, rendering bites of food even smaller.Chemical digestion begins in the mouth (saliva contains enzymes that begin the chemical breakdown process) and ends in the intestines.)    Mechanical digestion does occur in the stomach along with chemical digestion. The stomach squeezes the chyme and that is considered to be mechanical digestion. 8 people found this useful. 1  The Five Major Parts of the Brain At its most basic, the brain controls the body.