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A&P Chapter 2 S3
| Term | Definition |
|---|---|
| Kinetic Energy | Form of energy empowering matter in motion |
| Potential Energy | The energy possessed by matter because of its positioning |
| Chemical Energy | Energy stored in chemical bonds |
| Mechanical Energy | Energy stored in physical systems like machines or the human body |
| Radiant Energy | Energy released as waves instead of matter |
| Electrical Energy | Supplied by electrolytes in body cells, this energy contributes to voltage changes that transmit impulses through nerve and muscle cells |
| Reactant | One or more substances that enter a reaction |
| Product | The result of a chemical reaction |
| Synthesis Reaction | A reaction that results in the joining of components that were formerly separate |
| Decomposition Reaction | The breaking down of something larger into smaller parts |
| Exchange Reaction | A reaction in which both synthesis and decomposition occur, and the reactants are rearranged |
| Concentration | The number of particles within a space |
| Catalyst | Increases the rate of a chemical reaction without being changed itself |
| Enzyme | A catalyst composed of protein or RNA that lower the energy requirements of chemical reactions |
| Activation Energy | The threshold which must be reached for a chemical reaction to take place |
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