Question

one or more bundles of neurons that connect the brain or spinal cord with the body:
nervous
synapses
neve
axon

Explanation:

A nerve is a bundle of neurons (nerve fibers) that transmits signals between the brain or spinal cord and the rest of the body. The nucleus is part of a cell (including neurons), containing genetic material. A synapse is the junction between two neurons where communication occurs. An axon is a part of a neuron that transmits electrical impulses away from the cell body.

Answer:

nerve