Term
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Definition
| Composed of 2 or more tissue types that perform on common function together |
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Term
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Definition
| Basic structural & functional unit of organisms |
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Term
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Definition
| Small structures that make up cells |
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Term
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Definition
| Any living thing considered as a whole, one cell or more |
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Term
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Definition
| Group of organs classified as a unit b/c of a common function or set of functions |
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Term
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Definition
| Level of organization involves interactions among atoms & their combos into molecules |
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Term
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Definition
| A group of similar cells & materials surrounding |
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Term
| Levels of Organization (in order) |
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Definition
| Chemical, Organelle, Cell, Tissue, Organ, Organ System, Organism |
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Term
(Characteristics of Life)
Organization |
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Definition
| Parts of an organism have specific relationships to e/o & parts interact to perform specific functions |
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Term
(Characteristics of Life)
Metabolism |
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Definition
| Ability to use energy to perform vital functions (i.e. growth, movement, reproduction...) |
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Term
(Characteristics of Life)
Responsiveness |
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Definition
| Ability of an organism to sense changes in the environment & help maintain its life |
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Term
(Characteristics of Life)
Growth |
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Definition
| Increase in size of all or part of the organism |
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Term
(Characteristics of Life)
Development |
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Definition
| Changes an organism undergoes through time (womb-tomb) |
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Term
(Characteristics of Life)
Reproduction |
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Definition
| Formation of new cells or new organisms |
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Term
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Definition
| Pictures of internal structures using x-rays, MRI, ultrasound, etc. |
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Term
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Definition
| Study of external features |
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Term
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Definition
| Study of the organization of the body by areas |
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Term
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Definition
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Term
| Positive Feedback Mechanisms |
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Definition
| NOT homeostatic, rare in healthy individuals, makes deviation from set point greater, can be fatal |
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Term
| Negative Feedback Mechanisms |
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Definition
| Regulates body, any deviation from set point made smaller or resisted |
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Term
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Definition
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Term
(Negative Feedback Mechanisms)
Effector |
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Definition
| Can change value of variable |
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Term
(Negative Feedback Mechanisms)
Control Center |
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Definition
| Establishes set point around which the variable is maintained |
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Term
(Negative Feedback Mechanisms)
Receptor |
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Definition
| Monitors value of variable (i.e. blood pressure) |
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Term
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Definition
| Existence & maintenance of a relatively constant environment w/in the body |
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Term
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Definition
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