Once Upon a Time... Life

S1 E201987

The Muscles and the Fat

Episode Synopsis

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

Next Episodes

All Seasons

The Planet Cell

Episode 1

Birth

Episode 2

Once Upon a Time... Life

The Muscles and the Fat

Episode Synopsis

Next Episodes

The Planet Cell

Birth

The Body Sentinels

The Bone Marrow

The Blood

The Tiny Platelets

The Heart

Breathing

The Brain

The Neurones

The Eye

The Ear

The Skin

The Mouth and the Teeth

The Digestion

The Liver Factory

The Kidneys

The Lymphatic System

The Bones and the Skeleton

The Muscles and the Fat

Toxin Wars

The Vaccination

The Hormones

The Chain Of Life

Repairs and Changes

And life goes on...

Suggested Shows

Dora the Explorer

Conta Comigo

Rosie and Jim

Sesame Street

A Very Nutty Boy

How to Grow a Planet

Pusteblume

The Body Machine

Curious George

How 2

Prehistoric Park

Where in the World Is Carmen Sandiego?

David Attenborough's Rise of Animals: Triumph of the Vertebrates

Sara

斑马百科

Interrupting Chicken

Zuzubalândia

Princess Power

CoComelon Lane

The Unknown Snake of Bolivia