Did you know that your bone marrow is like a factory for producing blood cells? And that it produces more than five million red blood cells per second? There are two different types of bone marrow.
| Author | Albert Barille |
| Publisher | Macdonald Orbis |
| Year of publication | 1997 |
| Number of pages | 28 |
| Language | English |
| Format | Hardback |
| ISBN-10 | 748939504 |
| ISBN-13 | 9780748939503 |
| Illustrator | Albert Barille |
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