1. The GI tract is responsible for carrying out many processes. List the 7
processes.
The alimentary canal, or gastrointestinal tract, consists of the mouth, esophagus,
stomach, small intestine, large intestine, rectum, and anus . It carries out the
following digestive processes:
1.Ingestion of food
2.Propulsion of food and wastes from the mouth to the anus
3.Secretion of mucus, water, and enzymes
4.Mechanical digestion of food particles
5.Chemical digestion of food particles
6.Absorption of digested food
7.Elimination of waste products by defecation
2. _Peristalsis________________ is the coordinated sequential contraction and
relaxation of muscles in the esophagus to move swallowed food to the stomach
3. T or F Chyme is non-digested food that enters into the stomach
False
4. What is the mucosal barrier and what is its purpose?
The intestinal mucosal barrier is said to be the body’s second skin. From the
mouth to the anus, there is a mucosal barrier, which serves as the first line of
defense against pathogens. The mucosal barrier also shows the body how to deal
with food antigens, which may cause allergies and sensitivities. The mucosal
barrier is also found in sinuses and genital defenses.
5. The serous membrane surrounding the organs of the abdomen and pelvic cavity
is called the what?