Biology4kids.com—systems
What is a system?
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Organs working together:
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Systems can’t work alone
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Examples of Systems:
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Regulation—Its all about homeostasis
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Negative Feedback
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Positive Feedback
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Body temperature example
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Skeletons inside and out
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What does this system do?
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Interacting with other systems
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Genetic Variation
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Muscular system—meat on the bones
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What does this system do?
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Interacting with other systems
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Muscles help you move
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Circulation is the key
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What does this system do?
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Interacting with other systems
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Basic parts of the circulatory system
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