a&p digestive system

the 4 layers of digestive tract in order

mucosa submucosa, muscularis and serosa

6 digestive process in order

ingestion, propulsion, mechanical digestion, chemical digestion, absorption and defecation

what and where is ingestion

taking food and drink into the mouth

what and where is propulsion

moving food through tracts in mouth, esophagus, small intestine

what and where is mechanical digestion

breaking down food in mouth, stomach and small intestines

what and where is chemical digestion

breaking down food using enzymes in mouth, stomach, small intestine

what and where is absorption

moing nutrients, water and electrolytes into blood in small intestines and large intestines

what and where is defecation

eliminating material from body in rectum and anus

what effects how long food stays in the stomach for

food consistency and size, nutrient composition and meal size

where is the pyloric valve

lower end of the stomach

what is the smooth muscle contraction used by digestive tract

peristalsis

role of liver and gallbladder in digestion

produces and stores bile

what does bile do

which breaks down fat in small intestines

what are the pancreatic secretion and what do they do

lipase- breaks down fat, protease- breaks down protein and amylase- breaks down carbohydrates

what are parts of small intestine in order

duodenum, jejunum and ileum