Negative feedback loop

Negative feedback loop

Storyboard Text

  • Wow! It is very cold out here!
  • I'm starting to shiver. Maybe I need to sit down.
  • Shivering is an example of my body reacting to a stimulus of cold weather and trying to maintain a constant temperature or homeostasis.
  • Temperature sensitive skin cells act as receptors that signal to the control center in the brain
  • In this case, my body is trying to get my temperature back to a set point. So by shivering, my skeletal muscles contracting act as effectors that warm my body temperature
  • I need to go get my jacket!
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