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Storyboard Text

  • Jim decides to talk a nice run into the forest.
  • Jim trips on a small rock and then cuts his knee.
  • Homeostasis Disturbed
  • Jim finds a rock and sits in order to investigate his knee. 
  • Stimulus: Break in blood vessel wall cause bleeding
  • Jim realizes his knee is bleeding.
  • Receptors: Damaged cells release chemicals. This information gets sent along afferent path to the control center.
  • Jim decides to continue to go thru the forest but instead of continuing his running,  he chooses to walk the rest.
  • Control Center: Gets Information, and sends along the efferent path to the effectors. Telling the effectors to start clotting and release additional chemicals.  
  • Jim just finished his walk. He then looks down at his knee and realized it is no longer bleeding.
  • Response: The clotting starts to accelerate ,the blood clot plugs the vessel wall and the bleeding stops.
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