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3B~2017~7th~

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

cells   a living structure/little rooms  
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size of white blood cells   average  
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each drop of human blood (cells)   130 million cells  
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human body (cells)   60 trillion cells  
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some cells   are specialized and perform special functions  
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Robert Hooke   the first person to use the word cell  
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cytoplasm   the thick substance cells have  
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scientific observations were made   after several years before the accepted the cell theory  
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All cells come from   preexisting cells  
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All living things are made of   cells and the product of cells  
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The functions of living things   are performed by the cells they are made of  
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cells from parents   join together to produce embroy  
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Cells__________&___________ to produce more cells   grow divide/which develop into parts of the body  
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Fingernails,toenails,hair are made of   skin cells  
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All cells use (A)   energy  
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All cells (B)   manufacture materials  
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All cells respond (c)   to their environment  
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All cells (D)   reproduce themselves  
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(A) when cells stop working they   die  
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(b) cells make material   inside of them  
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(b) Produce wast materials   during activities  
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(C) cells live through   changing enviorment  
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(C) some cells are extremely   sensitive  
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Created by: pigsrule150
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