Learn here all about how the integumentary system functions: such as protecting the body from invasion by microorganisms, chemicals, and other environmental factors; preventing dehydration; acting as a sensory organ; modulating body...

From a chapter on Fluid Statics in a Physics textbook. This section of the chapter covers the different types of fluid pressures in the human body and how they are measured. Includes problems and exercises.

Despite the title of the page, this site explores the entire integumentary system, including skin, hair and nails. Content also includes the cutaneous sensory and cutaneous vascular systems, pigmentary system, sweat glands, sebaceous...

An illustrated article which helps students understand the levels of organization of the human body.

This is a student-led exploration of the systems of the human body, through technology. Learners will work cooperatively to develop a PowerPoint presentation that will thoroughly explain each system. Systems included are: circulatory...

Through the use of free-body diagrams and Newton's laws, students analyze the motion of two objects together.

Students read text and color leach labeled part of the nephron in the human kidney to understand the structure and function of the kidney. This is a ready-to-use teacher resource for biology review.

Systems thinking is an important concept across the Earth sciences. In this game, students either are a part of a system or serve as scientists tasked with observing and making sense of the system moving in front of them.

Self-guided learning activity where students learn about the functions, processes, and anatomy of the human body. There is a short quiz at the end of the lesson to check for understanding.

At this site, students can interact with the muscular system of the human body. Click on a region of the body or the name of a muscle, and zoom in to examine it. Outlines and magnifying glasses appear and when you click on them, you see...

A 22-page textbook chapter identifying sensory systems of animals and humans for those studying how the various senses assist adaptation to environments. Investigates classes of environmental stimuli as well as gives an in-depth...

Information about the digestive system, why digestion is important, how food is digested, and how the process is controlled. Includes a diagram of the body parts involved.

Students can learn about the human skeletal system through this easy-to-access tutorial. Sections include an introduction, organization of the skeleton, appendicular skeleton, and the axial skeleton. Interactive quizzes for each section...

All of the organ systems of your body are interdependent, and the skeletal system is no exception. The food you take in via your digestive system and the hormones secreted by your endocrine system affect your bones. Even using your...

How your ears and your brain turn the sound waves out there in the world into the experience of music in your head, remains a mystery to many, but yet we all experience and even enjoy sounds and music. If you're interested in doing a...

For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how?...

With this module, students will be able to identify three main adaptations of the small intestine's wall that increase its absorptive capacity. Students will also trace the pathway of food waste from its point of entry into the large...

Although one third of the population suffers from motion sickness, scientists aren't exactly sure what causes it. Like the common cold, it's a seemingly simple problem that's still without a cure. And if you think it's bad on a long...

Provides a general overview of comets, asteroids, and meteorites. Content includes ways to identify them in the night sky, as well as detailed information on each type of small body.

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

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

Self-guided learning activity where students learn about the structure and function of the male and female reproductive systems. There is a short quiz at the end of the lesson to check for understanding.

This site from the Department of Chemistry at the Washington University provides a deetailed study of the role of hemoglobin in blood physiology. The article is somewhat in-depth, complete with pictures, charts, and a bibliography.

An explanation of how the lymphatic system and the spleen work together to fight infection.