- Name two things you can do to keep your skeletal system healthy.
- What part of the skeletal system does osteoarthritis affect?
- Why might a doctor need to insert pins into a broken bone?
Further Reading / Supplemental Links
- http://www.girlshealth.gov/bones
- [http://www.cdc.gov/nccdphp/dnpa/nutrition/nutrition_for_everyone/basics/calcium.htm
http://www.cdc.gov/nccdphp/dnpa/nutrition/nutrition_for_everyone/basics/
calcium.htm - http://en.wikipedia.org/wiki
Vocabulary
ball and socket joint Joint structure in which the ball-shaped surface of one bone fits
into the cuplike depression in another bone; examples include the shoulder and hip
joints.
bone marrow Soft connective tissue found inside many bones; site of blood cell formation.
cartilage Smooth covering found at the end of bones; made of tough collagen protein
fibers; creates smooth surfaces for the easy movement of bones against each other.
compact bone The dense, hard outer layer of a bone.
fracture Bone injury, often called a ”break;” usually caused by excess bending stress on
bone.
gliding joint Jointstructurethatallowsonebonetoslideovertheother; examplesincludes
the joints in the wrists and ankles.
hinge joint Joint structure in which the ends of bones are shaped in a way that allows
motion in two directions only (forward and backward); examples include the knees and
elbows.
joint Point at which two or more bones meet.
ligaments Fibroustissuethatconnectsbonestootherbones; madeoftoughcollagenfibers.