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Chapter 8 Lesson 8
Biology Vocabulary
| Question | Answer |
|---|---|
| Skeletal System | The network of bones in the body |
| Red Marrow | The spongy material in bones that makes blood cells |
| Osteroporosis | A disease in which bones become lighter and break easily |
| Ligament | A tissue that connects bone to bone |
| Voluntary Muscle | A muscle that a person cannot control |