Once Upon a Time... Life

Season 1 Episode 20: The Muscles and the Fat

Muscles account for almost half the weight of the human body. They also need a ton of energy to do their jobs correctly.

Genre:

Animation, Kids, Documentary, Family

Seasons:

1

Episodes:

26

Actor:

Roger Carel, Gilles Laurent, Marie-Laure Beneston

Quality:

HD

Status:

Ended

First Air:

1987

IMDb:

7.8