Halitosis is a curse that has plagued humanity since ancient times. But what causes it, and why is it so universally terrifying? The following video and guide outlines the basics of bad breath - and what you can do when it strikes you....

Breathing shows an underwater scene and asks the students to answer the question, How do the people, fish and turtle get the oxygen they need?

[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...

Explore the science of breathing.

Flip this interactive OLogy card and start learning bite-size pieces of useful information about the process of respiration and breathing.

This video describes how the process of breathing in the human body works. [5:19] Includes a brief quiz and a list of additional resources to explore.

[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will explain the processes of ventilation, gas exchange, and gas transport. Students will describe the role of gas exchange...

This Lung Association of Saskatchewan site for kids explains how we breathe and the basic mechanics.

[Free Registration/Login may be required to access all resource tools.] Outlines the four steps of respiration.

From Shore to Sea: Pinnipeds are marine mammals that spend a great deal of time in the water. Like all marine mammals, pinnipeds breathe air through their lungs. In order to breathe, they must come up to the surface for air.

[Free Registration/Login may be required to access all resource tools.] In the following online lesson students will explain how the rate of breathing is regulated.

[Free Registration/Login may be required to access all resource tools.] Describes how the rate of breathing is regulated and controlled.

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...

Through multi-trial experiments, students are able to see and measure something that is otherwise invisible to them- seeing plants transpire. This information will allow students to consider how a plant's unique characteristics (leaf...

View an exciting exhibit of paintings using the "painting softly" approach by such well known twentieth century artists such as James Whistler, George Inness, William Chase, and others.

Ready-to-print phonics chart on beginning consonant breath-sounds. Students can click on the letters, pictures, or words to hear the sounds independently or as a part of the words.

A Cuvier's beaked whale recently accomplished a dive in which it held its breath for 137 minutes, a new record.

This resource contains general information on breathing and lungs, as well as information on two lung disorders: asthmatic bronchitis and chronic bronchitis or emphysema.

Find detailed notes on CPR. Includes information on the function of rescue breathing and chest compressions and steps for performing CPR on adults and on infants.

Find out where the air goes when you breathe by connecting the dots in this short activity. A clever use of a paint program makes it very clear how air moves in this interactive activity.

Breathing Earth layers data about rates of carbon dioxide emission along with birth and death rates onto a map of the world in a real-time simulation of one of the principal greenhouse gases in the Earth's atmosphere, CO2.

This animation illustrates how the diaphragm and muscles around the rib cage work to facilitate inhaling and exhaling.

A lesson plan that includes a PowerPoint learning module for students. They will examine spreadsheet data on air quality in Great Smoky National Parks, and solve problems using ratio and proportion. The exercises will help them to...

A complete, student-led lesson on the respiratory system and asthma. Students learn information and answer interactive review questions along the way. There is a self-checking quiz at the end of the lesson.