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.
Segmentation is a muscular movement that occurs in the small intestine. The alternating forward and backward movements of segmentation further mix the partially digested food and digestive juices and bring this mixture (called chyme) into contact with the intestinal wall.egmentation is a muscular movement that occurs in the small intestine. The alternating forward and backward movements of segmentation further mix the partially digested food and digestive juices and bring this mixture (called chyme) into contact with the intestinal wall.