How Does the Nervous System Work? The messages traveling in your nerves are sent through billions of nerve cells called neurons. The spaces between these cells are called synapses. The cells are ...
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How the Peripheral Nervous System Works
The peripheral nervous system (PNS) is the system of nerves and ganglia outside the brain and spinal cord. The PNS consists of the peripheral nerves, neuromuscular junctions, cranial nerves, and ...
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