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skeletal system

The Skeletal System
Image: iStockphoto.com/ledwell

The Skeletal System

Lighter than stainless steel, tougher than reinforced concrete, and able to repair itself — the skeletal system is the scaffolding for the human body.

Investigate the bones, cartilage, tendons, joints, ligaments, and other tissues that protect your internal organs and allow you to stand upright and move.

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Skeletal System: Facts, Function, and Diseases

Skeletal System: Facts, Function, and Diseases

Did you know that teeth are part of the skeletal system? Or that you're born with more than 300 bones that fuse into 206 by the time you are nine years old? Get more fun facts. More...

Article
LiveScience
How Space Technology Improves Human Health

How Space Technology Improves Human Health

Technology that NASA originally developed for space exploration is now being used to improve our health. On this site, select the body system you're interested in to see a related video. More...

Video
NASA
Label the Bones!

Label the Bones!

Can you name the major bones in the human body? Or assemble a skeleton? Challenge yourself with this interactive activity. More...

Interactive
ABCya.com
Scientist Profile: Jock Doc

Scientist Profile: Jock Doc

Dr. Joel Boyd is an orthopedic surgeon, head team physician for the WNBA's Minnesota Lynx, and has represented the U.S. hockey teams in Sweden, Germany, and Japan. Investigate sports medicine. More...

Profile
DragonflyTV/PBS
Skull Bones

Skull Bones

Using a 3D computer-generated model, learn about the skull and facial bones with this video. More...

Video
Science Kids
The Virtual Body

The Virtual Body

Take narrated tours of the human brain, skeleton, heart, and digestive tract in English or Spanish. Then put what you learned into action with the interactive challenges. More...

Interactive
Medtropolis
5 Most Commonly Broken Bones

5 Most Commonly Broken Bones

It's possible to break any bone in your body, but these five have a tendency to break more often than others. Which of the 206 bones are they? More...

Article
Discovery
Bone’s Balancing Act

Bone’s Balancing Act

See how a team of researchers are helping to create drugs to heal severe fractures and treat osteoporosis and rare hereditary bone diseases. More...

Profile
Howard Hughes Medical Institute
Can You Really Be Double-Jointed?

Can You Really Be Double-Jointed?

Have you ever seen people who are able to bend their body into what should be impossible positions? We say they're "double-jointed," but that's not really accurate. Get the details. More...

Article
HowStuffWorks
Discovering the Secrets of Spinal Fluid

Discovering the Secrets of Spinal Fluid

Spinal fluid surrounds the spinal cord and brain, protecting them like a cushion. Visit the lab to get more facts on spinal fluid and learn why spinal taps are important. More...

Interactive
Starlight Children's Foundation
Exercise in Space

Exercise in Space

When we exercise here on Earth, our bodies work against the force of gravity, which helps keep us strong and fit. In space, astronauts must use special equipment to keep bones and muscles healthy. More...

Video
NASA
Scientist Profile: Bio Engineer

Scientist Profile: Bio Engineer

Tammy Reid Bush helped create the LEAP seat, an office chair that uses motion measurement devices to determine the most comfortable and supportive seating for each person. More...

Profile
DragonflyTV/PBS
Skeletal System

Skeletal System

Investigate how the skeletal system supports, protects, and maintains our bodies. Be sure to test your knowledge with the quizzes! More...

Article
Hillendale Health
Skeletal System Interactive

Skeletal System Interactive

Learn about the job of the skeletal system and its different parts. Then test see if you can ace the quiz. More...

Interactive
Scholastic

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