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# Spoiler alert for those who haven't finished the manga or the anime

> After the Naruto and Sasuke fight (in Naruto volume 72: Uzumaki Naruto
> chapters 694-698), both of them lost one of their arms above the elbow.
> [![enter image description
> here](https://i.stack.imgur.com/bnJjV.jpg)](https://i.stack.imgur.com/bnJjV.jpg)
> After a while, Naruto got a fake arm (I think Sasuke didn't) which was
> wrapped in bandages (it was shown in the rest of the mangas, The Last:
> Naruto the Movie, and Boruto: Naruto the Movie). [![enter image description
> here](https://i.stack.imgur.com/MUK94.jpg)](https://i.stack.imgur.com/MUK94.jpg)[![enter
> image description
> here](https://i.stack.imgur.com/SyHLS.jpg)](https://i.stack.imgur.com/SyHLS.jpg)[![enter
> image description
> here](https://i.stack.imgur.com/PjfIF.jpg)](https://i.stack.imgur.com/PjfIF.jpg)

It was shown in the movies and in the manga that his arm can move and act like
his arm used to before he lost it, so he can use it for eating, writing,
carrying things, holding things, waving hand signs, releasing jutsus, etc..
But how does it work? I know it was created by Tsunade, and since she's an
excellent medical ninja she could have found a way or something, but was it
ever mentioned of how it worked or anything? I mean, I know the Naruto
Universe evolved over time and stuff, so I guess they found a way to create
body part that works like they used to.


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naruto
How does Naruto's right arm work?


From [Narutopedia](http://naruto.wikia.com/wiki/Naruto_Uzumaki) :

> Naruto loses his right arm after the Fourth Shinobi World War, though it is
> later replaced by a fully maneuverable prosthetic arm made of Hashirama
> Senju's cells, wrapped completely in bandages

I'm not sure it makes sense that it is prosthetic and made up of Hashirama's
cells, since a prosthetic limb is, by definition, artificial. The definition
for prosthetic on [Merriam-Webster](http://www.merriam-
webster.com/dictionary/prosthesis) is

> an artificial device that replaces a missing or injured part of the body

Perhaps there are both organic and artificial components.

Well, regardless, Narutopedia states that the arm is fully maneuverable. I
could be wrong on this point, but I don't think Naruto has any trouble moving
the arm. So with the arm moving the same as a normal arm and with it having
organic components (Hashirama's cells), I think it is reasonable to assume it
is connected to his nervous system, thus allowing it to function as a normal
arm.


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I think it is mad of completely hashirama cells and because of that it is
technically not a prosthetic arm. If you want to know why it glows continue
reading. I think Naruto's arm glows because of chakra absorbing cloths that
are on it (examples of it glowing are when he puts his arm in Hinata's body
and undose the jutsu that Toneri Ōtsutsuki put on Hinata) Toneri Ōtsutsuki is
the second person to have the Tenseigan the first person was Hamura Ōtsutsuki
but all of that is another story that you can find here on Narutopedia!


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