How bones make blood

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Melody Smith |

TED-Ed

• January 2020

Bones might seem rock-solid, but they're actually quite porous inside. Most of the large bones of your skeleton have a hollow core filled with soft bone marrow. Marrow's most essential elements are blood stem cells and for patients with advanced blood cancers like leukemia and lymphoma, the best chance for a cure is often a bone marrow transplant. How does this procedure work? Melody Smith explains. [Directed by Artrake Studio, narrated by Bethany Cutmore-Scott, music by Harlan Hodges / WORKPLAYWORK].