Work samples, phenomena, assessment templates, and videos that directly address standard MS-LS1-3: interacting body systems.

Throughout the day, your nervous system monitors and makes endless adjustments to your body's basic systems--all to keep you alive. This interactive feature illustrates the complexity of such a task.

Let your students get a feel for their sense of touch by perusing this site. Site includes interactive activities to use in the classroom.

A Science Odyssey biography of Jonas Salk from PBS, noted medical scientist who discovered the vaccine for polio. Easy to read format with link to "Paralyzing Polio," a colorfully animated and interactive comic strip. Links also...

This digital textbook covers core life science concepts and includes interactive features, real-world examples, and videos.

The anatomy of the musculoskeletal system and what the bones, muscles and joints do in our bodies are explained. Interactive diagrams show the internal structure of a bone, and how muscles and joints work together. Major disorders of the...

The anatomy of skin, nails and hair is described. An interactive diagram gives an excellent portrayal of the structure of skin and of hair. Health disorders that can develop are also described.

This article, written for younger readers, explains cystic fibrosis (CF), an inherited disease that causes the body to produce mucus that's extremely thick and sticky.