The Bone Marrow
- Runtime
- 26m
- Air Date
- Aired Oct 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!
The Bone Marrow
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!