Who first measured the speed of conduction in the nervous system?
a. Rene Descartes
b. Paul Broca
c. Eduard Hitzig
d. Hermann von Helmholtz
Question 2
___ can be long enough to provide a direct connection between the spinal cord and the toes of a giraffe.
A) Interneurons
B) Projection neurons
C) Axons
D) Dendrites