This pathway is designed to introduce you to body system called the cardiovascular system. You will learn what the cardiovascular system is, what it does and what organs and other structures it is composed of.

[Free Registration/Login may be required to access all resource tools.] If pathogens get through the body's first two lines of defense, a third line of defense takes over. This third line of defense involves the immune system. The immune...

[Free Registration/Login may be required to access all resource tools.] The peripheral nervous system (PNS) contains all the nerves in the body that are found outside of the central nervous system. They include nerves of the hands, arms,...

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...

Studying the skeletal parts of a human? Click on various parts of the human skeleton and proceed to select the items to view in detail.

At this site you will learn what muscles are made up of and find out about the different types of muscles in the body. A great illustration of a skeletal muscle is also provided. Available in Spanish.

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.

An extensive site dedicated to the life and legacy of the Greek mathematician Archimedes. Content includes a timeline of Archimedes' life, an overview of several of his inventions, and numerous anecdotes isolating various moments in his...

Rotatable three-dimensional model of the body with components of the digestive system labeled.

Study all about the biology of the body's specialized tissues called organs. Also organ systems including nervous, digestive, respiratory, endocrine, and circulatory on this site.

Slideshow, with an accompanying quiz, demonstrates how the respiratory system works.

Self-playing slideshow, with an accompanying quiz, explains how the muscular system works.

This page has complete course material for a beginning human anatomy course and everything can be downloaded. There are readings and presentations on all the major systems and organs of the human body, with lots of detailed, labeled...

An overview of the structure and function of a complex, multicellular organism. This article discusses levels of organization and examples of systems.

The human body requires a multilayered immune system to keep it running smoothly. The two main classes of the immune system are the innate immune system and the adaptive immune system, or "acquired immunity". This article discusses the...

Learning does not take place only in the classroom. Learning occurs naturally, every day! This KET collection uses original animation and wonderful, visual images to introduce basic concepts of math, science, social studies, art, and...

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

This site has a collection of learning activities, games, experiments, and lesson plans on the five senses. Organized by grade level and topic, this site is packed with an assortment of interactive and engaging activities, that would...

[Free Registration/Login Required] This flipchart is a series of Activote questions covering human anatomy and the function of some human organs.

Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This would be...

Learn how our body works at this personal site from a fourth grade teacher. Colorful graphics and lots of fun facts.

Explore the skeletal system. Identify the differences of the endoskeleton and exoskeleton, what the system does, how it interacts with other systems, and how it might vary genetically.

A list of facts about the skeleton. Includes audio for hearing how to pronounce the names of bones, and links to a labeled drawing of the skeleton and to a bone facts quiz.

[Free Registration/Login Required] This flipchart can be used as a quiz or test covering cells, cell function, and organs of the body.