Question

In the reflex arc what is the function of the afferent fiber ?

1.to carry signal from the integration center out to the effector, so the effector can respond appropriately
2. to carry the signal from the receptor to the integration center for processing
3. it detects change
4. none of the above​

Answer 1

Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem. So i beleive it is 4 but not too sure. Hope this helped a bit (: