The Nervous System, Part 3 - Synapses!: Crash Course A&P #10
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========== What’s 1000 times thinner than a piece of
paper, more numerous in you than grains of sand on a beach, and proof that the smallest
things can sometimes be the most powerful? I’m talking about the synapse -- the meeting
point between two neurons. If your neurons form the structure of your
nervous system, then your synapses -- the tiny communication links between them -- are
what turn that structure into an actual system. Because, as great and powerful as your neurons
are, when it comes down to it, their strength and their purpose lies in their connections.
A single neuron in isolation might as well not exist if it doesn’t have someone to
listen or talk to. The word “synapse” comes from the Greek
for “to clasp or join.” It’s basically a junction or a...