| Question |
Answer |
| What is the inner most portion of the GI system | the mucosa |
| What lies directly below the mucosa | the submucosa |
| What is the name of the muscle layer | adventitia |
| What is the name of the outer lining of the bowel | the serosa |
| progressive contractions that propel food throught the gi system is a process known as | peristalsis |
| Chewing is sometimes referred to as | mechanical digestion |
| Food is digested by enzymes in the stomach and small bowel in a process known as | chemical digestion |
| What region of the gi system serves as the main region for food absorbtion | the small intestine |
| The chewing of food by the teeth is known as | mastication |
| The tongue uses touch, temperature, and taste receptors to provide what | sensory analysis |
| What is the primary enzyme in saliva | salivary amylase |
| The esophagus passes through an opening in the diaphram known as the | esophageal hiatus |
| Food that is churned and mixed with digestive juices forms a semiliquid mass called | chyme |
| The thick folds of the stomach wall are called | rugae |
| the mucosa includes many what | gastric pits |
| What cells produce hydrochloric acid for food digestion | perietal cells |
| what cells produce pepsinogen | Chief cells |
| Pepsinogen is inactive untill it is exposed to hydrochloric acid,at which time it is converted to it's activated form known as | pepsin |
| What enzyme breaks down proteins | pepsin |
| What is the longest part of the digestive tract | the small intestine |
| the small intestine contains three parts. what are they | the duodenum, jejunum, and ileum |
| What enzyme breaks down sugars | disaccharidases |
| what enzyme breaks down proteins | peptidases |
| The jejunum and ileum are the primary sites for what | absorbtion of nutrients |
| what valve prevents backflow of intestinal contents | ileocecal |
| What do you call the recesses that give the colon that puckered appearence | haustra |
| what organ acts as a reservoir for bile | the gallbladder |
| What organ is the largest internal organ of the body | the liver |
| what are a few of the livers functions | the storing of glucose, protein synthesis, and filtering of wastes from the blood |
| what organ is responsible for helping to fight infection and remove red blood cells from circulation | the spleen |
| what makes insulin,glucagons, and digestive enzymes | the pancreas |
| name 3 pancreatic enzymes that digest protiens | trypsin,chymotrypsin,carboxypeptidase |
| what enzymes break down fat | lipases |
| Digestive organs are surrounded by what | the peritoneum |
| The perietal peritoneum surrounds what | the abdominal cavity |
| the visceral peritoneum surrounds what | the organs. |
Science Vocab 147928
