The series "Once Upon a Time... Life" teaches about the human body and about the different systems in it with the same characters from the other "Once Upon a Time" seasons. "The good Characters" represent the body's defense mechanisms, whereas "the bad Characters" represent the viruses and bacteria that threaten to attack the human body.
(Source: Wikipedia)+ More
More Seasons
Recommended for you
The Apothecary Diaries Season 3
Trending
24
ONE PIECE
Trending
24
Firefly Wedding
Trending
23
The Ramparts of Ice Season 2
Trending
25
Black Clover
Trending
24
Tokyo Revengers: War of the Three Titans Arc
Trending
0
That Time I Got Reincarnated as a Slime Season 4
Trending
24
Bleach
Trending
24
Naruto: Shippuden
Trending
23