This activity helps students learn about the three different types of muscles and how outer space affects astronauts' muscles. They will discover how important it is for astronauts to get adequate exercise both on Earth and in outer...

If you've ever wondered how your muscles work, this movie and activity guide has the answer! [6:49]

Learn about the skeletal muscles of the human body.

This lesson will describe the effects that exercise and steroids have on your muscles.

[Free Registration/Login may be required to access all resource tools.] Covers the structure of skeletal muscles and how they move bones.

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

This passage will test your knowledge on the force of tension in muscles using this five-question quiz.

Physical training alters the appearance of skeletal muscles and can produce changes in muscle performance. Conversely, a lack of use can result in decreased performance and muscle appearance. This site helps students understand exercise...

[Free Registration/Login may be required to access all resource tools.] Regular physical exercise is important in preventing lifestyle diseases such as cardiovascular disease, some types of cancer, type 2 diabetes, and obesity. Regular...

Learn here about cardiac muscle tissue - a tissue only found in the heart.

This site provides an explanation of smooth muscle, muscle that is present in the walls of hollow organs like the urinary bladder, uterus, stomach, intestines, and in the walls of passageways, such as the arteries and veins of the...

This site rpovides information regarding the interactions of skeletal muscles, including their fascicle arrangement and their lever systems.

Read this passage and study the graphics to complete a five-question quiz pertaining to dietary supplements for building up muscles.

Learn about the different types of muscles in the human body.

Learn here all about muscle fibers, including slow oxidative, fast oxidative and fast glycolytic.

This site provides young learners with information regarding muscle fiber contraction and relaxation.

This site provides interactive information regarding the muscles of the pectoral girdle and upper limbs.

This tutorial looks at the anatomy of the eye and how the sense of sight works. This is the first part of a learning module. Subsequent sections cover how images are formed and detected, the concept of accommodation where the eye adjusts...

Brought to you by Get Body Smart, students can learn about the human musculoskeletal system through this easy-to-access tutorial. Sections include muscles that act on the arm, shoulder, forearm, wrist, palm, digits, anterior thigh,...

Self-guided learning activity where students learn about the structure and function of the human muscular system. There is a short quiz at the end of the lesson to check for understanding.

Poster illustrates how muscles turn energy into movement.

Strength and endurance are important to enable children to perform every day functions such as fine motor skills, gross motor skills, playground skills, and sporting skills. This article explains how to tell if your child has problems...

This experiment with Bill Nye demonstrates that muscle groups that we don't use often might not be as strong as we think!

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