Boost flexibility with a set of stretches designed for beginners. Pictures and descriptions guide readers through a variety of stretches while standing, sitting, and lying on the floor. 

Energize the cells of young biologists with an edible life science activity. Engaging learners in exploring the inner workings of plant and animal cells, this activity involves using colored jello and various sweet and...

Kids learn about the science of muscles in the human body. How we move and get around.

Facts about four basic types of tissues in the human body and their functions.

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.

The term tissue is used to describe a group of cells found together in the body. Although there are many types of cells in the human body, they are organized into four broad categories of tissues: epithelial, connective, muscle, and...

Learn about the three types of muscle tissue, how a muscle contracts, and how muscles are adapted for exercise. [3:40]

Review the structure and function of the human body's muscular system.