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The Stomach: Into the Blender
The Human Body Unit
11
Science
7th Grade
05/26/2011

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Cards

Term
Carbohydrate
Definition
Nutrients that provide energy to the body. They are digested in the mouth by amylase. Pasta & bread are examples of carbohydrates.
Term
Chyme
Definition
Thick, creamy liquid in stomach made from partially digested food and gastric juices that moves from the stomach to the small intestine.
Term
Mucus
Definition
Thick liquid covering the inner wall of the stomach that protects the stomach from gastric juices. It allows the food to slide down the digestive tract.
Term
Gastric Juices
Definition
2 types: hydrochloric acid and pepsin
*digests food, turning it into chyme
*hydrochloric acid begins the digestive process
*pepsin does most of the work from there
Term
Vomiting
Definition
Reverse digestion. Half digested food or liquid that gets mixed with saliva and stomach juices as it makes a quick exit up your throat and out of your mouth. It allows foods, poisons or other substances to escape the stomach.
Term
Protein
Definition
Gastric juices breakdown protein into small units called amino acids that help repair and maintain your body.
Term
3 Layers of Muscles
Definition
The stomach has 3 layers of muscle that expand and contract to mix and break down the food with gastric juices. A form of mechanical digestion.
Term
Heartburn
Definition
Pain in the lower esophagus caused by gastric juices backing up into the esophagus.
Term
Ulcer
Definition
A small hole in the stomach wall caused by gastric juices irritating the lining of the stomach.
Term
An acidic fluid secreted by the stomach walls that help break down food during digestion.
Definition
Gastric juices
Term
Nutrient found in beef, poultry, fish, eggs, dairy products, nuts, beans and vegetables.
Definition
Protein
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