Unit 3: Homeostasis in Human Body Systems

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Cell

Back

The basic structural, functional, and biological unit of all known living organisms.

Front

Tissue

Back

A group of cells that work together to perform a specific function.

Front

Organ

Back

A part of the body that performs a specific function, made up of different tissues.

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Organ System

Back

A group of organs that work together to perform complex functions.

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Homeostasis

Back

The ability of an organism to maintain a stable internal environment despite changes in external conditions.

Front

Dynamic Equilibrium

Back

A state of balance between continuing processes.

Front

Feedback Mechanism

Back

A process that uses the conditions of one component to regulate the function of the other.

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Stimulus

Back

A change in the environment that elicits a response from an organism.

Front

Response

Back

A reaction to a specific stimulus.

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Metabolic/ Metabolism

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The set of life-sustaining chemical reactions in organisms.