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20 Cards in this Set
- Front
- Back
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Anatomy
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the science of body structures and the relationships among them
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Dissection
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the careful cutting apart of body structures to study their relationships
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Physiology
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the science of body functions - how the body parts work
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Atoms
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the smallest units of matter that participate in chemical reactions
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Molecules
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two or more atoms joined together
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Cells
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the basic structural and functional units of an organism
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Tissue
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groups of cells and the materials surrounding them that work together to perform a particular function
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Organs
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structures that are composed of two or more different types of tissues
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System
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...consists of related organs with a common function
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Organism
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any living individual
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Metabolism
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the sum of all the chemical processes that occur in the body
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(Metabolism Phase 1)
Catabolism |
the breakdown of complex chemical substances into simpler components
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(Metabolism Phase 2)
Anabolism |
the building of complex chemical substances from smaller, simpler components
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Responsiveness
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the body's ability to detect and respond to changes
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Movement
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motion of the whole body, individual organs, single cells, and even tiny structures inside cells
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Growth
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an increase in body size that results from an increase in the size of existing cells, an increase in the number of cells, or both
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Differentiation
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the development of a cell from an unspecialized to a specialized state
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Stem cell
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precursor cell (unspecialized cell) that divides and gives rise to cells that undergo differentiation
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Reproduction
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1) the formation of new cells for tissue growth, repair, or replacement
2) the production of a new individual |
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Homeostasis
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the condition of equilibrium (balance in the body's internal environment due to the constant interaction of the body's many regulatory processes
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