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| substances in the foods that provide energy and materials for cell development, growth & repair |
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| science of how food affects the function of living organisms |
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| a nutrient that is the main source of energy |
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| a nutrient needed for growth and repair of body cells; also, as enzymes |
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| a nutrient which provides stored energy |
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| inorganic nutrients that regulate chemical reactions in the body |
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| organic nutrients needed to help your body use other nutrients |
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| the process of breaking down food into small molecules so that the nutrients can be absorbed by the cell |
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| breaking food down into smaller particles by chewing, churning, or bile |
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| a protein that speeds up chemical reactions in the cell |
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| watery substance produced in the mouth that begins the chemical digestion of food |
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| wavelength muscle contractions that propel food through the digestive tract |
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| an enzyme in saliva that starts the breakdown of starch into sugar |
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| an enzyme in the stomach that helps break proteins into amino acids |
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| tiny, finger-like projections on the inner surface of the small intestine |
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| the movement of nutrient molecules into blood vessels |
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| I'm a muscular tube that squeezes the food down to the stomach. |
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Definition
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| I'm the entrance to the food tube. I chew the food up well. |
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| Waste exits from my opening. |
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Definition
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| Final digestion takes place in my 20-foot-long tube. |
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| I store the solid waste and remove the water. |
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| We make chemicals to help break down the food. |
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Definition
| the liver and the pancreas |
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| I'm the first part of the small intestine. Food enters me after it leaves the stomach. |
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Definition
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| Where are nutrients absorbed into the bloodstream? |
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Definition
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| Where food is moistened and enzymes are produced to break down food |
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| Where food is churned and acid is produced to break down the food |
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| the passageway for food from mouth to stomach |
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| The site where digestion begins in the body. |
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Definition
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| Which nutrients are your main source of energy? |
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Definition
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| Which group of substances are needed to help your body use other nutrients? |
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Definition
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| Inorganic nutrients that regulate chemical reactions (ex: iron, calcium) |
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| What substance dissolves nutrients? |
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| Which nutrients provide stored energy? |
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Definition
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| Which nutrients are needed for cell growth and repair? |
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| Which enzyme breaks down starch into sugar? |
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| Which enzyme breaks down starch into sugar? |
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| The muscle contractions that move food through the digestive system are called ____. |
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