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HumanBodySystems

7.12B

TermDefinition
Circulatory system transports nutrients and oxygen to the body
Digestive system breaks down food to provide nutrients and energy
Endocrine system regulates the body with hormones
Excretory system removes waste from the body
External stimulus a change in the environment outside of the organism
Feedback mechanism a response within a system that influences the activity of that system
Homeostasis the body’s ability to keep the internal balance of the body stable
Integumentary system provides protection of the body
Internal stimulus a change within the organism
Muscular system provides movement of the body
Nervous system controls and coordinates the body
Reproductive system produces offspring
Respiratory system exchanges oxygen and carbon dioxide
Skeletal system provides structure and protection for the body
Stable balanced; unchanging
Stimulus a thing or event that causes a response or reaction
System interacting, interrelated, or interdependent elements forming a more complex whole
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