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Mr Camp -Topic 2

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
AIDS   disease caused by HIV virus that attacks the immune system  
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allergy   when the immune system is overly sensitive to environmental substances that are normally harmless  
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antibiotics   medicine produced by microorganisms used to destroy pathogens  
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antibodies   a protein, produced by the immune system (WBC), attacks aspecific pathogen  
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antigen   marker (molecule) found on the surfaces of cells that the immune system recognizes as either part of the body ("self") or an outside invader ("non-self")  
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ATP   energy that is used by the cells of the body, comes from the chemical energy stored in food  
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bacteria   single celled organism, without a nucleus, reproduces asexually using binary fission  
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biochemical process   chemical process that occurs in living things  
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catalyst   a.k.a. enzyme, type of protein, speeds of the rate of a chemical reaction without being used up or changed during the reaction  
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disease   a condition, other than injury, that prevents the body from working properly, disruption in homeostasis  
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dynamic equilibrium   constant small corrections that normally occur to keep an organism's internal environment within the limits needed for survival  
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feedback mechanism   used to continue or stop an activity of the body EX: blood sugar levels using insulin and glucagon  
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insulin   hormone produced by pancreas, lowers blood sugar when too high due to eating a meal  
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glucagon   hormone produce by the pancreas, raise blood sugar when too low due to exercise or missing a meal  
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gas exchange   process of obtaining oxygen from the environment and releasing carbon dioxide to the environment  
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guard cells   specialized cells that control the opening and closing of stomates (pores) on the surface of a leaf to regulate water loss  
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parasite   organism that survives by living and feeding on other organisms  
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pH   measures how acidic, neutral or basic (alkaline) a substance is  
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photosynthesis   process by which producers (autotrophs) are able to capture light energy and use it to make food (glucose) from carbon dioxide and water  
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stimuli   any change in the environment that causes an organism to react  
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virus   nonliving particle of protein and genetic material that reproduces by invading the cell of a living organism  
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Created by: mrcamp
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