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14 Cards in this Set
- Front
- Back
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Cell
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The basic unit of sructure and function of all living things.
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cell membrane
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A thin covering that holds all the parts of the cell together.
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nucleus
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Is enclosed in it's own membrane, determines the cell's activities.
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cytoplasm
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A jellylike substance containing many chemicals to keep the cell functioning.
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diffusion
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The process of particles of a substance move from an area where there are a lot of particles of the substance to an area where there are fewer particles of the substance.
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osmosis
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The movement of water and dissolved materials through cell membranes.
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tissue
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Cells that work together to perform a specific function.
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organ
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Tissues that work together.
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system
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Organs that work together to perform a function.
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Capillaries
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Blood vessels so small that blood cells have to move through them in a single file.
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alveoli
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The end of the smallest tubes are tiny air sacs.
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villi
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Nutrients diffuse through the projections sticking out of the walls of the small intestine, into the block stream.
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nephrons
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As blood flows through capillaries in the kidneys, urea and water enter these tubes.
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bone marrow
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A connective tissue that produces red blood cells and white blood cells.
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