Animated movie/show from childhood

When I was a kid I once visited a friend where we watched a cartoon, that I still don´t know the name of.

It must have been around 1996 - early 2000s. The cartoon might be older than that - I believe we watched it on a VHS - so maybe something they had recorded off the TV.

It took place inside a human body, where small beings took care of the human body and made sure it functioned as it should.

It is not Ozzy & Drix.

Could be: "Once Upon a Time... Life" (original: "Il était une fois... la vie") (1987 - 1988)

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I'm looking for prison movie:
https://www.movieforums.com/communit...ad.php?t=63305

First thing that came to mind was "Cells at Work", but that first aired in 2018.

Are you sure it's not Osmosis Jones (2001)?

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I think this is it! Thank you

It´s not it, but it looks good