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atom

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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Question
Answer
atom   smallest units of an element that still retains the chemical and physical properties of that element  
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nucleus   overall positive charge  
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protons   electrically positive charge  
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neutrons   neutral or no charge  
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molecule   multiple atoms that are bonded together  
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cell   basic structural and functional units of an organism  
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tissues   are groups of cells and the materials surrounding them to work together to perform a certain function  
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organ   are structures that are composed of two or more tissues ; they have specific function and shape  
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system   consists of related organs with a common function  
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organism   any living individual  
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four types of tissue   epithelial tissue,connective tissue,muscular tissue, and nervous tissue  
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homeostatis   regulates body fluids  
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body fluids   dilute, watery fluids containing dissolved chemicals inside and outside of the cell  
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intracellular fluid   watery fluid inside of cells  
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extracellular fluid   outside of cells  
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interstitial fluid   most abundant fluid  
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blood plasma   watery portion of blood  
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synovial fluid   found inside all movable joints  
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lymph   special fluid inside lymph vessels  
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aqueous and vitreous humors   maintain eyebal shape  
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cerebrospinal fluid   brain and spinal cord  
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stressors   stimuli that disrupt homeostatis  
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external stressors   outside- body temp. smells,and skin contact  
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internal stressors   inside- low glucose, poison, psychological  
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feed   (blank)  
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Created by: ampamp12000
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