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14 Cards in this Set
- Front
- Back
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plasma membrane
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cells outer boundary, strong, thin, only beneficial things in, waste out
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diffusion
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movement of substances across the plasma membrane
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osmosis
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diffusion of water
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cytoplasm
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fills space btw membrane and nucleus; organelles fill it
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nucleus
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control center; contains chromosomes and 1+ nucleoli;
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nucleolus
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a body that synthesizes cell protein
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tissues
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groups of similarly specialized cells
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epithelial tissues
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skin, also covers organs, lines cavities, forms some ducts and glands
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muscle tissue
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1)voluntary/striated=controlled by effort
2)involuntary/smooth=controlled by CNS 3)Cardiac=specialized involuntary, only in heart |
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connective tissue
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fibrous; several uses; soft and rubbery or hard and rigid; ex) fat, cartilage, bone, blood vessels, scar tissue
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nerve tissue
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carries messages to and from the brain
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organs
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independent bodies; specialized; all use all 4 tissues; large organs = viscera (pl.) or viscus (sing.); most are in cavities
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5 major cavities
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cranial
spinal abdominal pelvic thoracic |
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10 body systems
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blood and lymph, cardiovascular, endocrine, digestive, integumentary and sensory, musculoskeletal, nervous, respiratory, reproductive, urinary
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