biology

  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
Author
pattyyvonne
ID
173418
Card Set
biology
Description
biology
Updated