September 30
The Digestive System
Supplemental Instruction
Iowa State University
Label the components of the digestive system.
Use the words:
Mouth
Food
Bolus
Stomach
Intestines
Peristalsis
Sphincter
Pyloric Sphincter
Pepsin
Hydrochloric Acid
Mucus
Gastrin
Enzymes
Chyme
Define Peristalsis.
True or False: The digestion process begins when the food hits your
mouth.
Name all of the secretions of the stomach.
What happens if the sphincter at the top of the stomach is weak or
doesn’t work properly?
Where does protein digestion begin?
What factors contribute to the rate of stomach emptying?