digestive system
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| all food that a person eats goes through four steps. _____,______,_____,and ______ | show 🗑
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| show | ingestion
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| ________ is the mechanical and chemical break down of food into small particles and molecules that your body can absorb and use. | show 🗑
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| _______ occurs when the cells of the digestive system take in small molecules of digested food | show 🗑
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| ________ is the removal of undigested food and other wastes from the body. | show 🗑
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| in _______________ food is physically broken into smaller pieces | show 🗑
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| in _______________ chemical reactions break down smaller pieces of food into small molecules | show 🗑
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| show | enzymes
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| enzymes also speed up the rate of _________________ . but enzymes don't change the reaction | show 🗑
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| the digestive system produces enzymes that are specialized to help break down each type of food __________ | show 🗑
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| the digestive system is made of two parts: the _________ and the other organs that help the body break down and absorb food | show 🗑
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| show | mouth
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| show | saliva
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| show | esophagus
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| food moves through the esophagus and the rest of the digestive tract by waves of muscle contractions, called ______________ | show 🗑
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| show | stomach
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| the stomach contains an __________ fluid called gastric juice. as food mixes with gastric juice in the stomach, it forms a thin, watery liquid called ________ | show 🗑
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| gastric juice contains ______, an enzyme that helps break down protein | show 🗑
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| chemical digestion of proteins, carbohydrates, nucleic acids, and fats takes place in the first part of the small intestine called the ________ | show 🗑
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| show | villi
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| __________ move from the small intestine into the blood through small blood vessels in the villi | show 🗑
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| show | liver
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| show | water
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| materials that pass through the large are the __________ products of digestion | show 🗑
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| show | 1. bacteria
2. vitamins
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| nutrients from the digestive system are necessary for other body systems to maintain ______________ | show 🗑
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| blood in the circulatory system carries nutrients from digestion to all other body systems, providing these other systems with materials that contain _________ | show 🗑
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| show | bacteria in the intestines digest food and produce important vitamins and amino acids.
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Created by:
akoen2