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Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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
Transcribed Image Text:In the
about 29 feet long! Think of a 29-
den hose that winds through your body, help-
ing you break down food into nutrients-the
basic materials your body needs.
Do you chew your food thoroughly? Your mouth
and teeth are specially designed to chop and chew
food. Then the food passes through a tube about
ten inches long called the esophagus. A series of
wave-like muscle contractions automatically moves
the food along the digestive tract. This is called
peristalsis.
Your stomach secretes juices that continue to break
down the food particles. Contractions in the stomach
push the food into the upper intestine, or small intes-
tine. When you get to be an adult, your stomach will
hold about 1/2 gallon (2 quarts) of food!
food moving.
down the
esophagus
Directions: Write T for true or F for false before each statement.
1. The mouth is not part of the digestive system.
_2. The teeth are part of the digestive system.
3. Food passes from the mouth to the esophagus.
4. The esophagus connects the mouth and the stomach.
5. The esophagus is about two inches long.
6. There are no muscles in the esophagus.
7. Food moves automatically through our digestive system.
8. Peristalsis is a disease of the digestive system.
9. The stomach secretes juices that help break down food.
10. Food goes from the stomach to the upper intestine.
Fascinating Facts About The Human Body-Grades 4-fi: 01995 Thn
ODDOC
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