CK-12 Foundation
Ck 12: Biology: Skeletal System Study Guide
Review the structure and function of the parts of the human skeletal system.
Other
Bones and Skeletal System
This thorough site delves into the structure of the bone, the main bones in the human skeleton (definition and pictures), and a comparison of the male and female pelvis.
Untamed Science
Untamed Science: Human Biology: Musculatory System
Learn about the three types of muscle tissue, how a muscle contracts, and how muscles are adapted for exercise. [3:40]
Library of Congress
Loc: Everyday Mysteries: What Is the Strongest Muscle?
There are a variety of ways one can look at what might be the strongest muscle in the body. This site defines the various types of muscles and goes on to explain which would be considered the strongest.
CK-12 Foundation
Ck 12: Biology: Muscular System Study Guide
Review the structure and function of the human body's muscular system.
Other
Mananatomy.com: Classification of Bones
Four different types of human bone classifications are discussed through text and pictures. Shape, development, region, and structure classifications are further divided into the variety of bones each entails.
Other
A Look Inside: Human Body
Learn how our body works at this personal site from a fourth grade teacher. Colorful graphics and lots of fun facts.