Upper GI
This accessory digestive organ secretes lingual lipase, which is essential for digesting ~30% of dietary triglycerides.
What is the tongue?
This is the terminal portion of the GI tract, responsible for the final absorption of water and some proteins.
What is the large intestine?
The rugae of the stomach allow for ____.
What is expansion?
The enzymes pancreatic lipase, lingual lipase, and gastric lipase all digest this type of organic molecule.
What are lipids?
The average amount of time it takes for food to travel from the mouth to the stomach.
What is 4-8 seconds?
This process, characterized by wave-like muscle contractions, moves food from the esophagus to the stomach.
What is peristalsis?
This organ stores bile and releases it into the small intestine to aid in fat digestion.
What is the gallbladder?
This is the largest serous membrane of the body.
What is the peritoneum?
Enzymes perform this role in the GI system.
What is chemical digestion?
Digestion of carbs, lipids, and proteins is completed in this structure.
What is the small intestine?
This part of the GI tract uses hydrochloric acid and digestive enzymes to break down proteins.
What is the stomach?
This organ processes blood from the stomach and intestines, breaks down nutrients, metabolizes drugs, and produces bile.
What is the liver?
This cavity is found between the visceral and parietal peritoneum.
What is the peritoneal cavity?
This hormone is produce by G-cells to stimulate stomach activity.
What is gastrin?
The number of litres of water, acid, buffers, and enzymes secreted into the digestive canal per day.
What is 7 litres?
This structure regulates the entry of chyme from the stomach into the small intestine.
What is the pyloric sphincter?
This enzyme, secreted by the pancreas, is crucial for digesting starch into disaccharides.
What is pancreatic amylase?
This is a sheet that connects the small intestines to the posterior abdominal wall.
What is the mesentery peritoneal fold?
Enzymes for chemical digestion are found in these 4 bodily fluids: saliva, gastric juice, intestinal juice, and ______.
What is pancreatic juice?
What is 5-7 days?
These structures within the small intestine increase the surface area for absorption by forming finger-like projections.
What are intestinal villi?
These structures in the large intestine help with efficient contractions, and gather the colon into a series of pouches known as haustra.
What are the teniae coli?
The lamina propria are found in this layer of tissue.
What is the mucosa layer?
This three letter suffix indicates the substance is an enzyme.
What is -ase?
This region of the small intestine is the shortest, and starts at the pyloric sphincter.
What is the duodenum?