Why do we retain memories if all of our cells replace themselves after a small amount of years?
In: Biology
imagine your body is a city, imagine your cells are buildings. some buildings like brain cells might be like government buildings, or docks like your mouth. roads like veins and arteries…
like others have said, some cells/buildings get replaced more or less often than others. but on top of this, there are always similar cells/buildings near by.
if for instance your house had burned down and needed to be rebuilt, you could stay at a family members house or a hotel, essentially somewhere that would serve the same function.
currently in quarantine, many people work from home or school from home.
in your body cells are so densely packed and built up in dedicated areas, that the safety net and redundancy for each individual cell is significant.
consider how your skin operates multiple layers working together, providing redundancy and support, as well as different levels of utility. or even your finger nail, layers at the back growing and pushing layers to the front ready to take over from the previous.
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