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18 Cards in this Set
- Front
- Back
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What is a manipulated variable?
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The 1 factor that is changed in an experiment
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What is a responding variable?
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What is counted, measured or observed to determine the results of the experiment
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What is a controlled variable?
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The factors that are kept the same
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What is a cell?
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The smallest unit of life. Think Brick
(I.E. muscle in your heart) |
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What is tissue?
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A group of cells that work together (think brick wall)
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What is an organ?
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A group of tissue that works together (think brick house)
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What is a system?
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A group of organs that work together. (think neighborhood)
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What is an organism?
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A complete living thing (think city)
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What is a digestive track?
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The path or tube that food travels through.
(I.E. Mouth, esphogas, stomach) |
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What is peristalsis?
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The wave like movement that moves the food through digestive track
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What is mucas?
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A slippery substance that coats the inner walls of the digestive tract. Mucas helps the food move through the tract and protects the walls of stomach for ulcers
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What is sphincters?
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The ring of the muscles surrounding the openings and between the organs of the digestive track. These muscles control the flow and keep food moving in the right direction.
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What is an indicator?
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A Substance that detects the presence of a specific chemical. (I.E. Beaidicts solution turns orange within sugar. Lugal turns black with starch)
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What is a carbohydrate?
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One of the 3 basic food types. Found the form of sugar, starch or fiber comes from plants. (I.E. cereals, bread and vegetables)
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What is a protein?
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A basic food type made of amino acids. Builds tissue, repairs damage and makes heoglobin. (I.E. Meats, eggs, nuts and beans)
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What is mechanical digestion?
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Breaking down food into smaller pieces. (I.E. chewing and penistalsis)
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What is chemical digestion?
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Enzynes and digestive juices breaking down nutrients into smaller, simpiler forms that the boade can use. (I.E. Gastric juices breaks down protein into aminoacides
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What is difusion?
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Difusion is where liquid substance goes through a wall and mixes with the outside liquid. (I.E. Tea leaves)
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