9.3--9.4 Flashcards
j shaped structure
Stomach
Some cells in the stomach wall secrete mucus, some cells secrete hydrochloric acid, and some cells secrete gastric enzymes and other substances; these secretions combined form ______ / combination of cells for digestion
Gastric juice:
allows pepsin to do its work
Hydrochloric acid
the most important gastric enzyme
Pepsin
thick liquid
Chyme
makes bile
Liver
breaks down fats
Bile
Stores bile
Gallbladder
The breakdown of fats into small droplets
Emulsification
produces sodium bicarbonate
Pancreas
most chemical digestion happens here; first ten inches of small intestine
Duodenum
most absorption of small intestine
Jejunum
the longest section of small intestine
Ileum
process of breaking down molecules
Absorption
small finger like projections greatly increase the surface area of small intestine
Villi
even smaller fingerlike projections increase surface area
Microvilli
part of lymphatic system
Lacteal
Signal to liver to remove glucose from body
Insulin
signals liver to add glucose to bloodstream
Glucagon
animal “starch” ; stored in liver and muscles
Glycogen