Recognition: Digestive system

V. 41, Unit V: Mage, tarm, endokrina organ och immunsystemet

tongue

mashes food into a soft ball called a bolus

esophagus

peristalsis occurs here, but no digestion

stomach

muscular organ that contracts and relaxes to churn food like a blender

liver

structure that makes bile

gallbladder

structure that stores bile

pancreas

makes digestive enzymes like insulin and secretes them into the small intestine

small intestine

responsible for most chemical digestion and absorption of nutrients

large intestine

absorbs water; bacteria here digest fiber and make vitamins B and K

mucus

secreted into the mouth, lines esophagus and stomach

enzymes

proteins that speed chemical reactions and break down nutrients into molecules

bile

breaks down fats into smaller peices so that enzymes can digest the fat

saliva

contains mucus, enzymes and water; moistens food

epiglottis

The flap of tissue that seals off the windpipe and prevents food from entering.

rectum

A short section at the end of the large intestine where waste material is compressed into a solid form before being eliminated.

feces

solid waste

anus

The opening at the end of the digestive system through which wastes are eliminated.

vomiting

body's response to the internal stimulus of something harmful in the stomach

colitis

inflammation of the mucosa of the L intestines and rectum.

constipation

infrequent of difficulty passing of stools.

crohn's disease

a progressive inflammatory disease of the colon or ileum.

diarrhea

infrequent passing of unformed, loose, watery stools.

hemorrhoids

or piles are varicosities of the rectal veins.

gastric

_____ ulcers are in the stomach