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Advantages in the body in the change in breathing and heart rates.

  1. Oct 5, 2008 #1
    i'm stuck. i need to explain the advantage to the body in the change in breathing and heart rates. also what does the stimulus, the co-ordinator, and the effector mean.
     
  2. jcsd
  3. Oct 5, 2008 #2
    What research have you done so far?
     
  4. Oct 6, 2008 #3
    i need help on that exact question,

    candii where did u get the question cuz it is copied word 4 word on my paper
     
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