Digestive Flashcards
What is pepsinogen
Inactive form of pepsin
What do cells secrete
Pepsinogen
What is rugae
A fold in the stomach that can hold a liter of
Where is the pharynx
Cavity between mouth and esophagus
What is a bolus
Food broken into smaller parts
What is amylase
An enzyme that begins carb digestion
What is peristalsis
Movement of food through digestive tract
5 steps
Ingestion digestion peristalsis absorption elimination
Where is nutrients stored
Circulatory system
Function
Break down of macromolecules into micromolecules
What is smooth muscle involved in
Making material through digestive system
What do blood vessels do
Digest nutrients
Refered to
Gastrointestinal and alimentary
4sections of colon
Ascending transverse descending sigmoid
Large intestine includes
Cecum colon rectum
What does the pancreas secrete
Insulin and glucagon
Pancreas gland is
Endocrine gland
What does bicarbonate neutralize
Acidic chyme
Where is alkaline bile released
Gallbladder to emulsify fats
What kind of bile does liver produce
Alkaline
What is deudonum attached to
Pyloric sphincter
Shortest section of intestine
Dudodenym
Small intestine regions
Duodenum jejunum ileum
What are the folds called
Villi and microvilli
How long is the small intestine
18 ft
What does ghrelin stimulate
Appetite and storage of fats
What does gastrin do
Stimulates secretions of gastric juices
What do hydrochloride acids convert to
Pepsin
What do parietal cells secrete
Hydrochloric acid
What occurs if esophageal sphincter doesn’t function properly
Bonus l liquid will reflux from stomach back into esophagus
What organ releases chrenlin
The stomach