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