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13 Cards in this Set
- Front
- Back
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basic functions of all living things |
- responsiveness - adaptability - growth and development - reproduction - movement and locomotion - respiration - circulation - digestion - excretion |
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anatomy & physiology (definition) |
anatomy = study of structures physiology = study of function |
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levels of organization |
- chemical (molecular) level - atoms in combination - complex protein molecules - protein filaments - cellular level - tissue level - organ level - organ system level - organism level |
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complex organism |
- having many specialized cells and tissues - each level of organization is more complex than the one before it |
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physiological system |
groups of specialized (cells, tissues, organs) working together |
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cellular level |
- smallest living structures - work together with its own characteristics & functions
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tissues |
- specialized cells & cell products combine to form tissues - 4 main tissues - epithelial tissue - connective - muscle - neural |
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epithelial tissue |
- covers and protects exposed surfaces - lines internal passageways and chambers - produces glandular secretions |
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connective tissue |
- fills internal spaces - provides structural support - stores energy - a matrix - made up of fibers and ground substance |
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muscle tissue |
- contracts to produce active movement - skeletal muscle tissue, cardiac muscle tissue, smooth muscle tissue |
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neural muscle tissue |
- conducts electrical impulses - carries information - made up of neurons and neuroglia |
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organ systems |
- integumentary - skeletal - muscular - nervous - endocrine - cardiovascular - lymphatic - respiratory - digestive - urinary - reproductive |
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homeostasis |
stable internal environment |
