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14 Cards in this Set
- Front
- Back
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Digestive system |
the organs that break down food so that it can be used by the body
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Digestive tract |
a series of tubelike organs that food passes through
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Mechanical Digestion |
The breaking, crushing, and mashing of food
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Chemical Digestion |
large molecules are broken down into nutrients the body needs
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Saliva |
A liquid that contains enzymes that begin chemical digestion
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Esophagus |
a long, straight tube that connects the pharynx to the stomach
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Peristalsis |
Muscle contractions that force food through the digestive tract
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Stomach |
the saclike, digestive organ between the esophagus and the small intestine that breaks down food into a liquid by the action of muscles, enzymes, and acids |
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Chyme |
The soupy mixture of partly digested food that is ready to leave the stomach
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Pancreas |
The organ that makes a fluid that chemically digests chyme and neutralizes the acid in chyme. It also makes hormones that regulate
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Small Intestine |
A muscular tube, covered in villi, where most of the nutrients are absorbed |
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Large Intestine |
The digestive organ that removes water from the mostly digested food and stores, compacts, and eliminates waste material from the body |
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Liver |
The digestive organ that makes bile, stores and filters blood, and stores excess sugar
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Gallbladder |
The digestive organ that stores bile, which breaks down fat
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