6. how many bones are there in the body?
- 205
- 206
- 204
- 208
7. there are 4 bones that are fused together in the vertebral column, what is it called?
- the coccyx
- the sacral vertebrae
- the lumbar vertebrae
- the thoracic
8. where does blood formation happen?
- in the marrow of the long bones
- in the marrow of the ribs
- in the marrow of the pelvis
- in big bones like the cranium