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

[Candii23]

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.

[hypatia]

What research have you done so far?

[idontnostuff]

i need help on that exact question,

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