How do all cells have the same dna

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient