Homeostasis and Equilibrium
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15 terms
Terms | Definitions |
|---|---|
 homeostasis | the ability of a living thing to keep conditions inside its body constant |
| equilibrium | a state of balance |
| regulation | the control and coordination of all life functions |
| life processes | metabolism, responsiveness, movement, growth, differentiation, reproduction |
| internal environment | The materials and conditions INSIDE of a cell or organism. Compare with "external conditions." |
| feedback | Response to a message |
| physiological activities | bodily changes as a result of certain emotions e.g fear -> increase of hear rate |
| external environment | Refers to the conditions that surround a cell or an organism. These conditions are always different from conditions INSIDE the cell or organism. |
| contraction | Process of shortening or making smaller |
| toxic substances | harmful substances that can be deadly in high amounts |
| dynamic equilibrium | continuous movement but no overall change |
| negative feedback | A process in which a system is turned off by the condition it produces. |
| stimulus | a change in an organism's surroundings that causes the organism to react |
| adaptive characteristics | characteristics that help an organisim survive |
| hormonal feedback | a hormone in the path exerts negative feedback on the sequence |
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