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The Skeletal System
Bonnie Branch 7th Grade - 15-2 / The Skeletal System
| Term | Definition |
|---|---|
| vertebrae | The bones that make up the backbone of an animal. |
| marrow | The soft tissue that fills the internal spaces in bone; it produces blood cells. |
| cartilage | A connective tissue that is more flexible than bone and that gives support to some parts of the body. |
| joint | A place where two bones come together. |
| ligament | Strong connective tissue that holds together the bones in a movable joint. |
| osteoporosis | A condition in which the body's bones become weak and break easily. |
| skeletal system | System of bones and cartilage that helps to support and protect the body. |
| periosteum | Thin membrane that covers the bone. |
| compact bone | Mostly solid, dense part of a bone. |
| spongy bone | Part of a bone with many small pores or spaces. |
| fracture | Crack or break in a bone. |