Skeletal System
Real photographs of the human skeletal system, including a quiz.

Space Bones
NASA science news about prventing the steady loss of bone mass that astronauts encounter. Includes audio and a downloadable file of the article.

Kidport 5th Grade Science: The Human Arm Bones
A clickable quiz of the human arm bones.

Science: Out of This World -- Bones
A basic overview of bone structure, including a quiz.

The Skeletal System
A 14-question interactive quiz.

Printable Blank Outline Diagram of the Human Skeleton
Blank diagram of the human skeletal system with answers at the bottom of the page.

Human Bones Matching Game
Match scientific names with common names for human bones.

Bioproject.info - Musculoskeletal System
Basics about muscles and the skeletal system.