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Key terms Health 1

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
anatomy   the study of the form and structure of an organism.  
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Physiology   the study of how the processes of living organisms, or why and how they work.  
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Pathophysiology   the study of how disease occurs and the responses of living organisms to disease processes.  
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Protoplasm   Basic substance of all life  
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Cells   microscopic structures that carry on all the functions of life  
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cell membrane   the outer protective covering of a cell  
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cytoplasm   a semifluid inside the cell but outside the nucleus and site for all chemical reactions  
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organelles   cell structures that help a cell to function located in the cytoplasm  
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nucleus   a mass in the cytoplasm  
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nucleolus   one or more small, round bodies located inside the nucleus and important to cell reproduction  
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chromatin   located in the nucleus and made of DNA and protein, forms rodlike structures called chromosomes.  
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genes   the total mass of genetic instruction humans inherit from their parents.  
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centrosome   located in the cytoplasm and near the nucleus  
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mitochondria   rod shaped organelles located throughtout the cytoplasm; powerhouse or furnaces of the cell  
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golgi apparatus   a stack of membrane layers located in the cytoplasm; produces, stores, and packages secretions for discharge from the cell.  
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endoplasmic reticulum   a fine network of tubular structures located in the cytoplasm that allows for transport of materials in and out of the nucleus  
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vacuoles   pouchlike structures found throughtout the cytoplasm;they are filled with a watery substance, stored food, or waste products.  
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lysosomes   oval or round bodis found throughtout the cytoplasm; contain digestive enzymes  
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pinocytic vesciles   pocketlike folds in the cell membrane that allow large molecules to enter the cell  
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mitosis   a form of asexual reproduction  
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meiosis   process in which sex cells divide  
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stem cells   have the ability to transform themselves into any of the body's specialized cells and perform different functions  
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tissue   cells of the ssame type joined together for a common purpose  
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dehydraion   insufficient fluids  
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edema   swelling of the tissues due to too much fluids  
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epithelial tissue   covers the surface of the body ad main tissue in the skin  
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connective tissue   supporting fabric of organs and other body parts  
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nerve tissue   made up of special cells called neurons and controls and coordinates body activities via messages throughout the body  
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muscle tissue   produces power and movement by contraction of muscle fibers  
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organ   two or more tissue joined together to perform a specific function  
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system   organs and other body parts joined together to perform a particular function  
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