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.
The digestive system moves and breaksdown food. Your performs the complex jobs of moving andbreaking down food. Material is moved through the digestive system bywavelike contractions of smooth muscles. This muscular action is called(PEHR-ih-STAWL-sihs).