DIGESTIVE Flashcards
The alimentary canal consist of
the mouth, the pharynx, esophagus. stomach, small intestine,large intestine, rectum, and anus
The accessory organs of the digestive system include
liver, pancreas, & gallbladder
Function of the digestive system
ingestion, propulsion, mechanical breakdown, digestion, absorption, defecatioln
The enzyme that starts the digestion of carbohydrates
amylase
a ball of food
bolus
The digestive tract has four layers: innermost to outermost
mucous membrane
sub mucous layer
muscular layer
serous layer
Soupy substance after the mixing and breaking down in the stomach
chyme
The stomach
secretes HCL, chemically breakdown the food
store and regulate the movement of food
Digestion and absorption occur in the
small intestine
What organ contributes water to dilute the cyme and bicarbonate Ionas to neutralize the acid from the stomach
pancreas
The 3 regions of the small intestine
duodenum, jejenum, and ileum
What are absorbed directly into the blood
simple carbohydrates and amino acids
what is absorbed into the lymph by the lacteals
fat
All nutrients enter the ???? to be routed to the liver for decontamination
hepatic portal vein
small fingerlike projections that greatly increase the surface area of the intestinal wall are?
villi
