Small Intestine – 3 segments:
1. Duodenum – opening from common bile duct
secretes fluids from:
a. Liver & Gallbladder – bile emulsifies fat
b. Pancreas – amylase break down
carbohydrate, sodium bicarbonate
neutralizes the acidic chyme and lipase
2. Jejunum
3. Ileum
a. Ileocecal valve – sphincter that regulates
passage of chyme into large intestine