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Science Unit 8.5
The Digestive System
12
Science
5th Grade
09/21/2009

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Cards

Term
Which part of the human body begins to break down food first?
Definition
mouth
Term
Which long tube carries food from the mouth to the stomach?
Definition
esophagus
Term
What is the name of the muscular, sac-shaped organ located
below the liver where food is digested?
Definition
stomach
Term
What is the name of the long, coiled part of the digestive system
connected to the stomach that finishes digesting the last bits of food?
Definition
small intestine
Term
Which large organ in the human body located above the stomach
helps digest food and clean the blood.
Definition
liver
Term
What is the name of the thick, lower end of the digestive tract where solid
waste is gathered and leaves the body?
Definition
large intestine
Term
1st step of Digestion
Definition
The teeth in the mouth bite off a piece of food. The teeth continue
to break the food into smaller pieces.
Term
2nd step of Digestion
Definition
Saliva rushes into the mouth and mixes with the broken-down food.
Term
3rd step of Digestion
Definition
The food travels down the esophagus
Term
4th step of Digestion
Definition
The muscles of the stomach churn the food and continue to break
it down.
Term
5th step of Digestion
Definition
The broken down food, called chyme, enters the small intestine.
Term
6th step of Digestion
Definition
The remaining food passes into the large intestine. Water is
absorbed from the large intestine and the rest of the material is
stored as solid waste
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