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37 Cards in this Set
- Front
- Back
anatomy |
the study of the structure of an organism and the relationships of its parts. IT is derived from the two greek words that mean "a cutting up" |
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dissection |
the act of cutting up a human body in order to study it properly. |
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Physilogy |
study of the function of living organisms and their parts. |
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hypothesis |
idea or principle to be tested in experiments |
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experiment |
series of tests of a hypothesis; a controlled experiment eleiminates biases or outside influences |
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theory/ law |
a hypothesis that has been proved by experiments to have a high degree of confidence |
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Organization is the what of a body structure? |
It is the most important characteristic of body structure |
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5 smaller units of a whole body system |
chemical level, cells, tissues, organs, systems |
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Chemical level |
atoms and molecules |
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cells |
the smallest structural units |
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tissues |
organizations of similar cells |
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organs |
organizations of different kinds of tissues |
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systems |
organizations of many different kinds of organs |
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anatomicalosition gives what? |
the meaning to directional terms |
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superior |
toward the head, upper, above |
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inferior |
toward the feet, lower, below |
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anterior |
front, in front of |
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posterior |
bak, in back of |
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medial |
toward the midline of a structure |
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lateral |
away from the midline or toward the side of a structure |
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proximal |
toward or nearest the trunk, or nearest the point of origin of a structure |
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distal |
away from or farthest from the trunk, or farthest from a structure's point of origin |
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superficial |
nearer the body sturface |
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Deep |
farther away from the body surface |
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Sagittal plane |
lengthwise plane that divides a structure into right and left sections |
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midsagital |
sagittal plane that divides the body into two equal halves |
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frontal (coronal) plane |
lengthwise plane that divides a structure into anterior and posterior sections |
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Transverse plane |
horizontal plane that divides a structure into upper and lower sections |
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Mediastinum |
midportion of thoracic cavity; heart and trachea are located in mediastinum |
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pleural cavities |
right lung is located in right pleural cavity; left lung is located in left pleural cavity |
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abdominal cavity contains what? |
stomach, intestines, liver, gallbladder, pancreas, and spleen |
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pelvic cavity contains what? |
reproductive organs, urinary bladder, and lowest part of intestine |
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cranial cavity |
contains the brain |
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spinal cavity |
contains the spinal cord |
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axial region |
head, neck, and torso or trunk |
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appendicular region |
upper and lower extremities |
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What is used to maintain and restore homeostasis |
negative and positive feedback loops |