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JC Science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Nutrition   the way an organism gets its food.  
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Respiration   the release of energy from food.  
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Excretion   the removal of waste matter from the body  
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Reproduction   the formation of new organisms  
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Response   reacting to changes in the surroundings  
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Invertebrates   animals that do not have a backbone.  
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Vertebrates   animals that have a back bones  
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Tissues   a group of similar cells which carry out the same function.  
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Cells   are what living things are made of  
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Organ   a structure that contains two or more tissues working together.  
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System   a number of organs working together  
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Digestion   the breakdown of food.  
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Chemical digestion   breakdown of food using enzymes  
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Physical digestion   breakdown of food using mechanical methods.  
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Enzyme   a protein that speeds up a reaction without being used up in the reaction.  
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Product   the substance produced as a result of the action of an enzyme  
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Substrate   the substance that an enzyme acts on  
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Microscope   used to view small objects in detail  
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Eyepiece lens   enlarges the image of the object  
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Focus knobs   allow a clear sharp image to be seen  
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Nosepiece   rotates so that different lenses can be used  
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Objective lens   located on the nose piece it enlarges the image of the object  
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Stage   the slide is placed on the stage for viewing  
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Mirror   used to shine a light source through the slide  
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Respiration   the release of energy from food  
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Aerobic Respiration   needs oxygen to release energy from food  
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Nose   cleans, warms and moistens air  
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Trachea   allows air to pass to and from the trachea  
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Bronchi   allows air to pass to and from the trachea  
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Bronchioles   allow air to pass to and from the alveoli  
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Alveoli   allows gas exchange  
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Diaphragm   cause the air to move in or out of the lungs  
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Plasma   liquid part of blood, transports chemicals and heat.  
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Red blood cells/Haemoglobin   transports oxygen  
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White blood cells   fights infections  
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Created by: con.peelmanmoens
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