Investigate the physical force exerted upon organisms and objects by the environment, and relate pressure to depth in deep-sea exploration. Experiment to discover the impact of pressure on the lungs.

Explore the use of Functional Electrical Stimulation (FES) as a breathing support strategy. Construct a working lung model that simulates the mechanics of breathing.

This online resource is for kids who aren't inclined to playing sports but who want to stay in good physical shape. Here, read about various fun activities, chores, and games that will help keep your muscles strong and your heart and...

[Free Registration/Login may be required to access all resource tools.] Amphibians are a group of vertebrates that have adapted to live in both water and on land. Amphibian larvae are born and live in water, and they breathe using gills....

[Free Registration/Login may be required to access all resource tools.] Breathing is only part of the process of bringing oxygen to where it is needed in the body. After oxygen enters the lungs, what happens? Learn more about processes...

[Free Registration/Login may be required to access all resource tools.] Sometimes, the urinary system is called the excretory system. But the urinary system is only one part of the excretory system. Recall that the excretory system is...

Learn about athletes who didn't let their asthma get in the way of going to the Olympics and about the types of sports best for asthma patients. This website includes links to information on "Famous people who have asthma," as well as...

The effects of tuberculosis has on the lungs and the clinical signs associated with it. Also discussed is pleural tuberculosis.

An explanation of how tuberculosis causes damage to lungs and other organs in the body. Latent and secondary tuberculosis is also examined. Of note is once infected with tuberculosis it's with you forever and may cause subsequent issues.

The second of a two-part lesson about how tuberculosis can spread beyond the lungs effecting the bones, central nervous system, gastrointestinal tract, and heart.

A two part lesson about how tuberculosis can spread beyond the lungs extending to the lymph nodes and the genital urinary tract.

An overview of tuberculosis (TB) or consumption which is an infectious disease caused by bacterium, Mycobacterium tuberculosis. Examined are the affects of tuberculosis on the lungs, latent tuberculosis vs. active tuberculosis, symptoms,...

An explanation of how tuberculosis spreads, its affects on the lungs, latent TB infection vs active TB infection, and constitutional symptoms of TB.

Through informational text along with printable notes, animations, video clips, and practice problems, students discover how the structures of the cardiovascular and respiratory systems work together and function as one. Provides lots of...

This feature from the NOVA: "Cut to the Heart" highlights facts about the heart, including its size and placement, and will help you to understand the importance of this wondrous organ in our bodies.

From the Yale-New Haven Teacher's Institute, comprehensive history of tobacco, the tobacco industry, and tobacco-related illnesses.

[Free Registration/Login may be required to access all resource tools.] In the following learning module students will begin tol define respiration, and explain how it differs from cellular respiration.

Provides an in-depth look at the biology of cancer, including a detailed description of the disease process from the basics of cells to the diagnosis and treatment of various types of cancers. Includes videos, animations, and interactive...

This site discusses, through a series of questions and answers, the benefits of smoking cessation. Also provides links to definitions of many of the terms used throughout the site.

This detailed article on bones provides a diagram of the skeletal system, advice to keep bones healthy, and links to further related information. User has option to view Shockwave or non-Shockwave version of this website.

Students learn how buffer systems in the body - the respiratory and the renal - affect the blood pH.

Created to teach students of the 21st century, SOPHIA is bringing the human respiratory system straight to your fingertips. Become the commander of your own learning experiences as you take part in this interactive tutorial.

The Centers for Disease Control and Prevention site offers a detailed account of the 1993 outbreak in the western US that lead to discovery of a new disease linked to "a previously unknown type of hantavirus." Many related pages with...

This site discusses the different uses for lasers in medicine. It provides specific details on the uses of lasers in treating cancer. Also contains links to definitions of many of the terms used througout the site.