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Chapter 11
Digestion
33
Science
4th Grade
08/21/2012

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Term
A flap of tissue that closes to keep food out of the trachea
Definition
epiglottis
Term
The function of the gallbladder
Definition
stores excess bile and releases it when needed
Term
A liquid-like mixture made when gastric juices in the stomach help break down food
Definition
chyme
Term
Connects the throat to the stomach
Definition
esophagus
Term
The mixture of enzymes, water, and hydrochloric acid that helps the stomach break down food
Definition
gastric juices
Term
Cover the tongue and react to chemicals in food
Definition
taste buds
Term
Lined with villi and is where nutrients from food are absorbed
Definition
small intestine
Term
Pushes food around in the mouth and allows food to be tasted
Definition
tongue
Term
Shows the different kinds of food you should eat each day
Definition
the food pyramid
Term
Stores excess bile and releases it when needed
Definition
gallbladder
Term
Tear and crush food into small pieces
Definition
teeth
Term
The clear liquid in the mouth that contains enzymes to break down food
Definition
saliva
Term
The four basic tastes
Definition
1. sour
2. salty
3. bitter
4. sweet
Term
The function of the large intestine
Definition
where water and salts are absorbed
Term
The mixture in the stomach that helps break down food
Definition
gastric juices
Term
The order food passes through the digestive system
Definition
1. mouth
2. esophagus
3. stomach
4. small intestine
5. large intestine
Term
The function of the liver
Definition
produces bile and filters wastes from the blood
Term
Finger-like structures that line the small intestine
Definition
villi
Term
The process of breaking down food into forms the body can use
Definition
digestion
Term
The ring of muscles that control the opening to the stomach
Definition
a sphincter
Term
The six nutrients your body needs
Definition
1. proteins
2. fats
3. carbohydrates
4. vitamins
5. minerals
6. water
Term
The squeezing movements of muscles in parts of the digestive tract
Definition
peristalsis
Term
The function of the pancreas
Definition
produces insulin and makes enzymes that help break down food into nutrients
Term
The stretchy storage bag in the digestive tract
Definition
stomach
Term
Produces insulin and makes enzymes that help break down food into nutrients
Definition
pancreas
Term
The two ways stomach works on food
Definition
1. mechanically
2. chemically
Term
Used to build and repair the body
Definition
proteins
Term
Produces bile and filters the blood
Definition
liver
Term
Water and salts are absorbed as the chyme passes through the ___
Definition
large intestine
Term
What is a sphincter?
Definition
A ring of muscles that control an opening.
Term
The function of the small intestine
Definition
where nutrients from food are absorbed
Term
What is chyme?
Definition
a liquid-like mixture made when gastric juices in the stomach break down food
Term
What is saliva?
Definition
the clear liquid that moistens food in the mouth and begins digestion
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