Body Systems - Vocab review

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clinical trials

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Human volunteers are used to test new medicines or devices for safety and effectiveness before approval.

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data

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Information gathered from an experiment or observation.

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evidence

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Information that supports or refutes a claim.

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hypothesis

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A possible explanation for observations, factors, or events that may be tested by further investigation.

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inference

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A conclusion based on observation or what is already known.

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function

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The specialized activities performed by a system, organ, body part, object, or device.

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model

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Any representation of a system (or its components) used to help one understand and communicate how it works.

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organ

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A collection of tissues that performs a particular function or set of functions.

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structure

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The parts of an object or system, including what they are made of, their shapes, and their arrangement.

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levels of organization

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The levels of structure in an organism, ranging from subcellular organelles to cells, tissues, organs, and organ systems.