Muscles are made of fibers within fibers and the structure of muscles makes them strong. In this lesson students learn about muscle structure by comparing yarn and cooked meat.

From a chapter on Statics and Torque in a Physics textbook. This section of the chapter provides an in-depth discussion of forces and torque in the human body. We learn about muscular force, the importance of posture in preventing back...

This lesson covers the topic of human bones and joints. Students learn about the skeleton, the number of and types of bones in the body, and how outer space affects astronauts' bones. Students also learn how to take care of their bones...

In the following lesson students are required to construct a model arm and learn how muscles and bones work together to achieve efficient movement.

In the following lesson students will learn about center of gravity and how the body adjusts to the force of gravity to remain balanced.