It took place on the same ground as the First Battle of Bull Run. The battles took place around the city of Manassas, which is in Prince William County, Virginia. These battlâ¦es are also known as the First and Second Manassas.
The involuntary motion that moves food through the alimentary canal is called peristalsis and is a wavelike contraction and relaxation of the intestinal wall smooth muscles. It pushes food along the intestine.
Peristalsis is the contractions and the relaxations made by the muscles of the body especially by the muscles of the alimentary canal. Peristalsis is important for the movemenâ¦t of food through the oesophagus (so that the food can reach the stomach) and the large intestine (for prevention of constipation).