Presentation on theme: "Devon Scholz. H2.4- Outline the control of digestive juice secretion by nerves and hormones, using the example of secretion of gastric juice. Pre- Ingestion:"— Presentation transcript:
H2.4- Outline the control of digestive juice secretion by nerves and hormones, using the example of secretion of gastric juice. Pre- Ingestion:
Pre-Ingestion 1. __________ _____ are produced to hydrolyze the molecules in need of digestion. 2. _______ and ________ of ______cause gastric juice to be secreted in the ________. Post Ingestion 1. _________ is the stretching of the stomach wall and causes ______ to send a signal to the brain. 2. This causes _______ to be produced and ______ sustains the amount of gastric juices in the Stomach.
H2.5- Outline the role of membrane-bound enzymes on the surface of epithelial cells in the small intestine in digestion.
Photo Human ileum: mucosa composed of villi, crypts lined by simple columnar epithelium.
Membrane bound enzymes: 1. What is one benefit of having a membrane bound enzyme? 2. What is an example of a membrane-bound enzyme and where is it located?
Photo Absorptive cells and microvilli in monkey small intestine. SEM.
H.2.6-Outline the reasons for cellulose not being digested in the alimentary canal.