So to sum up, when matter is transitioning from solid to liquid (melting) or liquid to solid (freezing<span>), its </span>temperature<span> is fixed at the </span>melting/freezing<span> point, which is the </span><span>same temperature</span>
<span>dentinoenamel junction</span>
The answer would be the hippocampus it is responsible for the formation of the nerves to make long-term memories.