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What is the middle of a bone called?
What does bone marrow make?
True or False: Bones are always growing and changing.
What are 3 things that have bones?
- 1. Dinosaurs
- 2. People
- 3. Some animals
What do bones protect?
Important parts of our body
What two things is the first layer of bone made of?
- 1. Nerves
- 2. Blood vessels (vess-uls)