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Once Upon a Time... Life
Season 1 · Episode 4
The Bone Marrow
0.026mOctober 4, 1987
Red blood cells, the body’s police force, are created in the bone marrow but sometimes, the factory breaks down and wayward policemen come out. Uh oh!
Episodes
- Episode 1The Planet Cell
- Episode 2Birth
- Episode 3The Body Sentinels
- Episode 4The Bone Marrow
- Episode 5The Blood
- Episode 6The Tiny Platelets
- Episode 7The Heart
- Episode 8Breathing
- Episode 9The Brain
- Episode 10The Neurones
- Episode 11The Eye
- Episode 12The Ear
- Episode 13The Skin
- Episode 14The Mouth and the Teeth
- Episode 15The Digestion
- Episode 16The Liver Factory
- Episode 17The Kidneys
- Episode 18The Lymphatic System
- Episode 19The Bones and the Skeleton
- Episode 20The Muscles and the Fat
- Episode 21Toxin Wars
- Episode 22The Vaccination
- Episode 23The Hormones
- Episode 24The Chain Of Life
- Episode 25Repairs and Changes
- Episode 26And life goes on...