Students learn the overall function of the human lungs, and then summarize the blood flow pattern associated with the lungs.

An introduction to the form and function of the lungs, including the bronchioles and alveoli.

At this very creative site students will love learning about the function of their lungs. Fully illustrated with diagrams and new vocabulary words. Available in Spanish.

This article describes the structure and functioning of the lungs and the respiratory system, as well as related diseases.

To gain a better understanding of the roles and functions of components of the human respiratory system and our need for clean air, students construct model lungs that include a diaphragm and chest cavity. They see how air moving in and...

In addition to giving the facts about smoking, this youth-focused resource also deals with many young people's misconception that they are immune from the negative effects of smoking. For instance, smoking reduces the rate of lung growth...

For an organism to function, substances must move into and out of cells. Three processes contribute to this movement - diffusion, osmosis and active transport. Diffusion is the process by which useful materials and waste products move in...

An introductory slide show explaining the structure and function of the human respiratory system.

Learn about the structure and function of the respiratory system organs.

Students are introduced to the respiratory system, the lungs and air. They learn about how the lungs and diaphragm work, how air pollution affects lungs and respiratory functions, some widespread respiratory problems, and how engineers...

Explore the anatomy of the human body. Click on an organ or other body part to read more about its structure and function, and then try out an interactive activity for that organ.

The mechanics of lung function are explained. Numerous definitions and examples are provided including Poiseuille's Law, blood flow, ventilation, and fluid mechanical properties.

Students can learn about the human respiratory system's structures and functions through this easy-to-access tutorial. Sections include major zones and divisions, the nose and nasal cavity, the pharynx, the larynx, the trachea and...

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.

The University of Arizona's Biology Project provides background information on toxic materials and the body's responses as well as interactive tutorials with assessment questions and an activity in which students can actually acquire and...

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