The combined work of Bell and Magendie revealed a fundamental fact about the spinal nerves. Choose the correct option
A) Spinal nerves are myelinated.
B) Spinal nerves are bundles of sensory and motor nerves and in each sensory and motor nerve fiber transmission is strictly one-way.
C) Spinal nerves are not hollow tubes carrying fluid.
D) Both humans and animals have spinal nerves.
Ans: B
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