1.It goes in the mouth, down the esophagus, into the stomach, into the small intestine, into the large intestine and then into the rectum.
2.Digestion of carbohydrates is important because it breaks them down into glucose, which cells use to produce ATP. Most of this digestion is completed in the small intestine.
3.The role of the small intestine in the digestion of proteins and fats is that it absorbs them through its walls where microscopic villi absorb the proteins into the capillaries and the fats into the lacteals (lymphatic vessels) that run through them.
4.Acid turns pepsinogen into pepsin.
5.The role of secretin in digestion is that it stimulates the secretion of pancreatic juices.
6.Some
Pinocytosis little openings that “food” enter. Phagocytosis it surrounds the “food”