After a cut through the spinal cord, axons grow back enough to restore functioning in certain ____ but not in ____.
A) adults; infants
B) infants; adults
C) fish; mammals
D) mammals; primates

Question

Quizplus · Accepted Answer

In fish, axons can regenerate after spinal cord injury, restoring function, whereas in mammals, axons do not regenerate effectively, leading to permanent loss of function.

After a Cut Through the Spinal Cord, Axons Grow Back