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Yesterday Ben survived a bad day, thanks
to his nervous and endocrine systems' ability to maintain
homeostasis. Look inside Ben to see how these systems
worked.
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What you'll learn in this topic |
- How messenger molecules carry signals from one part
of Ben's body to another.
- Why signals from the nervous system are fast and
signals from the endocrine system are slow.
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Your task is to
observe events inside Ben's nervous and endocrine systems.
Then you will help recruit new messenger molecules for
Ben. |
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Click
on the forward arrow to begin
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