Chapter 1
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Created by:
marvinmartianfan on April 2, 2010
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14 terms
Terms | Definitions |
|---|---|
 anatomical position | standard position - standing at attention plams forward, thumbs pointing away from the body |
| anatomy | the science of the structure of living organisms |
| atoms | the smallest part of an element, indivisible by ordinary chemical means |
| cells | the basic biological unit of living organisms, containing a nucleus and a variety of organelles enclosed by a limiting membrane |
| homeostasis | a state of body equilibrium or stable internal environment of the body |
| homeostatic imbalance | disease can be regarded as the result of disturbances - equilibrium of the internal environment is disturbed |
| negative feedback | feed back that causes the stimulus to decline or end |
| organ | a part of the body formed of two or more tissues that performs a specialized function |
| organ system | a group of organs that work together to perform a vital body function |
| physiology | the science of the functioning of living organisms |
| plane | when a section is made through the body or organ it is made on an imaginary line called a plane |
| positve feedback | feedback that tends to cause a variable to change in the same direction as the initial change, enhances the stimulus |
| section | a cut |
| tissues | a group of similar cells specialized to perform a specfic function, primary tissue types are epithelial, connective, muscle and nervous tissues |
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