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==Key Stage 4==
===Meaning===
[[File:NervousSystem.png|right|300px|thumb|A [[diagram]] showing the '''spinal cord''' in the [[Nervous System|nervous system]].]]
The '''spinal cord''' is an [[organ]] in the [[Nervous System]] that is made of a bundle of [[Nerve|nerves]] running inside the [[backbone]].
: The '''spinal cord''' is part of the [[Central Nervous System|central nervous system]].
: The '''spinal cord''' is the location of [[Relay Neuron|relay neurons]] in the [[Reflex Arc|reflex arc]].
{| class="wikitable"
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|[[File:SpinalCordCrossSection.png|center|200px]]
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| style="height:20px; width:200px; text-align:center;" |A cross section of the '''spinal cord''' showing the [[Relay Neuron|relay neuron]].
|}