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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. |