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Maintenance of Life
Anatomy & Physiology Chapter 1 Maintenance of Life: Functional Characteristics
Question | Answer |
---|---|
Maintenance of boundaries | keeps the internal environment separate and distinct from the eternal environment. Cell membranes contain its contents while admitting the needed substances and restricting the entry of unnecessary or harmful substances. |
Movement | includes all activities promoted by the muscular system such as walking, running, movemement of blood, food, urine through the internal organs, etc. |
Responsiveness | ability to sense change and respond to it (respond to a stimulus) |
Digestion | breakdown of ingested food into usable molecules |
Metabolism | all chemical reactions occurring within the cells. Depends on other systems and is regulated by the endocrine system |
Excretion | removal of unusable waste products |
Reproduction | formation of offspring |
Growth | increase in size |