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20 Cards in this Set
- Front
- Back
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Anatomy |
The science of the structure of living organisms. |
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Gross Anatomy |
Study of anatomy at a macroscopical level. |
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Microscopic Anatomy |
Study of body structures that are too small to be seen with the naked eye. |
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Physiology |
Study of how the body and its parts work or function. |
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Atoms |
The smallest part of an element; indivisible by ordinary chemical means. |
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Cells |
The basic biological unit of living organisms, containing a nucleus and a variety of organelles enclosed by a limiting membrane. |
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Tissues |
Consist of groups of similar cells that have a common function. |
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Organ |
Structure composed of two or more tissue types that performs a specific function for the body. |
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Organ System |
Group of organs that work together to accomplish a common purpose. |
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Responsiveness |
Ability to sense changes in the environment and then to react to them. |
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Digestion |
The process of breaking down ingested food into simple molecules. |
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Metabolism |
Broad term that refers to all chemical reactions that occur within body cells. |
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Excretion |
Process of removing excreta from the body. |
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Reproduction |
Production of offspring. |
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Growth |
Increase in size. |
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Homeostasis |
Body's ability to maintain a stable internal environment. |
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Negative Feedback Mechanisms |
Feedback that causes the stimulus to decline or end. |
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Positive Feedback Mechanisms |
Feedback that tends to cause a variable to change in the same direction as the initial change; enhances the stimulus. |
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Anatomical Position |
The body in standard position |
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Directional Terms |
Allow medical personnel and anatomists to explain exactly where one body structure is in relation to another. |
