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28 Cards in this Set
- Front
- Back
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cell
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the basic unit of structure and function of all living things
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cell membrane
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a thin covering that encloses a cell and holds it's parts together
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neucleus
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the neucleus controls the cells activities,like the brain of the cell
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Cytoplasm
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a jelly like substants that has many chemicals to keep the cell functioning
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How do plant cells and animal cellc differ?
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they differ because a plant cell has a cell wall and chlorplats and an animal doesnt have those two things
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diffusion
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particles of a substants moves from one place where tere is a lot of subsyants to where there isn't much f the substants
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osmosis
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the movment of water and dissolved materials thourgh cell membanes are given a special name......
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osmosis
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the movment of water and dissolved materials thourgh cell membanes are given a special name......
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how does aCTVE TRANSPORT DIFFER FROM PASSIVE TRANSPORT?
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passive transport doesnt take any energy and active transport does take energy
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organ
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when tissues work together to form a ....
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tissue
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cells that work together to perform a specific function
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tissue
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cells that work together to perform a specific function
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system
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when organs work together to form a .....
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cappillaries
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blood vessels so small that blood cells have to move single file through them
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plasma
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the liquid part of blood
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alveoli
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At the ends of the smallest tubes are tiny air sacks called.....
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villi
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little projections sticking out of the small intestine, into he blood
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What is the 3 types of cell waste?
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crbon dioxide and ammonia
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nephrons
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tubes
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bone marrow
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a type of connective tissue that produces red and white blood cells
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what are the 3 layers of bones?
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the outer protective membrane,a layer of hard materials, and the soft center containing bone marrow
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joints
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where bones meet
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tendons
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tough bands of conntective tissue
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ligaments
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bands of connective tissue that holds the skeleten together
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what are the 3 types of muscles?
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voluntary, smooth and cardiac
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neuron
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a specailized cell that can transmit and recieve signals to other neurons
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receptors
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nerve cells that can detect conditions in the bodys envierment
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synapse
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a gap between neuons
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