Triangular shaped organ
mouth
liver
stomach
pancreas
Waste materials are prepared for elimination or removal from the body
rectum
large intestine
mouth
stomach
Chewing is part of
mechanical digestion
chemical digestion
Bile is stored in
gallbladder
small intestine
liver
stomach
The flap of tissue that seals off the trachea
esophagus
mouth
epiglottis
colon
The thick, slippery substance that makes food easier to swallow
saliva
enzyme
bile
mucus
What are the involuntary muscle contractions that push food along the digestive system?
spasm
saliva
peristalsis
mucus
Digestion begins in
stomach
mouth
liver
large intestine
The heaviest organ in the body that produces bile
enzyme
skin
stomach
liver
The largest part of the large intestine is called
rectum
anus
colon
epiglottis
What is the process in which nutrients pass into the bloodstream?
digestion
chemical digestion
mechanical digestion
absorption
In which organ does most mechanical digestion take place?
small intestine
stomach
mouth
liver
The tube that connects the mouth to the stomach
peristalsis
small intestine
esophagus
small intestine
A substance that speeds up chemical reactions in the body
rectum
enzyme
liver
gallbladder
Where does most of the chemical digestion take place?
stomach
liver
small intestine
mouth
Tiny structures in the small intestine that absorb nutrients
mucus
villi
saliva
chyme
This opening eliminates wastes
ear
anus
pancreas
mouth
Absorbs water into the bloodstream and contains bacteria producing vitamin K
bile
stomach
small intestine
large intestine