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        | The hard structure (bones and cartilages) that provides a frame for the body |  | Definition 
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        | The layer of muscles and nerve tissues of the body |  | Definition 
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        | The organs relative to the circulation of blood and lymphs through the body |  | Definition 
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        | the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing |  | 
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        | a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response |  | 
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        | the system that includes all organs involved in reproduction and in the formation and voidance of urine. |  | 
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        | Term 
 
        | Female Reproductive System |  | Definition 
 
        | The system that is used to reproduce living organisms in females |  | 
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        | the system that a male uses to contribute to the origination of new life |  | 
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        | The skin and its appendages |  | 
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