> Are "distant connections" between neurons direct or indirect? If neuron
> A from one brain region is connected to neuron B in another brain
> region, is neuron A's axon really long so that it can directly connect
> to neuron B's dendrites, or is neuron A indirectly connected to neuron
> B by way of other neurons (i.e., C, D, E, etc.)?
The longest axon of a human motoneuron can be over a meter long,
reaching from the base of the spine to the toes, while giraffes have
single axons running along the whole length of their necks, several
meters in length.