biology

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Author:
pattyyvonne
ID:
173418
Filename:
biology
Updated:
2012-09-25 20:33:11
Tags:
biology
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Description:
biology
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The flashcards below were created by user pattyyvonne on FreezingBlue Flashcards. What would you like to do?


  1. Homeostasis
    • Homeostasis: body’s attempt to
    • maintain a constant internal environment; involves three parts or mechanisms:

    ·        
  2. 3 parts of homeostasis
    • ·        
    • Receptor-
    • detects change in the environment; sends message to control center

    • ·        
    • Control
    • center- determines what needs to be done and sends message to effector

    • ·        
    • Effector
    • – performs some function to return environment to balanced state
  3. Negative Feedback
    Negative Feedback – the action of the effector reverses the direction of change; stabilizing effect

    • ·     Temperature regulation –
    • body senses COLD, feedback causes shivering which causes the body to WARM up
  4. Negative Feedback

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