Digestive+System+KR

=Digestive Homework=

Keaton Rye
Digestive System Book Homework (p.144-155) 1. Name and describe the processes that occur during the digestive process. 2. What are the four layers of the GI tract? Associate an illness with each of the layers. (Describe the Illness) 3. Describe the mechanical digestion and the chemical digestion that occurs in the mouth. 4. What ordinarily prevents food from entering the nose or entering the trachea when you swallow? 5. What are the function of the stomach, and how is the wall of the stomach modified to perform these functions? 6. What are the functions of the small intestine and how is the wall of the small intestine modified to perform these functions? 7. What are the three main accessory organs that assist with the digestive process? 8. How does each accessory organ contribute to the digestion of food? 9. What are the different parts of the large intestine? 10. What are the functions of the large intestine? 1. First Ingestion, Digestion, Movement, Absorption, and elimination 2. Lumen, Mucosa-diverticulosis, Submucosa - IBD, Muscularis - IBS 3. Three pairs of salivary glands send saliva to the mouth. Your teeth also chew the food into pieces that can swallow. 4. The rhythmic contraction called peristalsis pushes the food down the esophagus so it does not travel up to the nose 5. The stomach stores food, initiates the digestion of protein, and controls the movement of chyme into the small intestine. The stomach wall has four layers that are modified to do each part. 6. The small intestine absorbs the molecules namely sugars, amino acids, fatty acids, and glycerol, which are the products of the digestive process. The walls are modified for absorption. It is also very long. 7. The pancreas, liver, and gallbladder 8. The pancreas produces digestive enzymes that dissolve food, the liver recieves blood through a vein and filters it. The gallbladder does what it does 9. Transverse colon, descending colon, rectum, external anal sphincter, anal canal, cecum, ascending colon, small intestine, orifice of appendix 10. The Large intestine absorbs water, and prevents dehydration.