CK-12 Foundation
Ck 12: Physical Science: Cellular Respiration Reactions
[Free Registration/Login may be required to access all resource tools.] Definition of cellular respiration and its overall chemical equation. The energy changes that occur during cellular respiration, including in photosynthesis.
CK-12 Foundation
Ck 12: Earth Science: Carbon Cycle and Climate
[Free Registration/Login may be required to access all resource tools.] Explains the cycle of carbon through the atmosphere, geosphere, and biosphere.
North Central Regional Educational Laboratory
Kids Learn: Respiratory System Internet Workshop
Come and explore this internet workshop that was designed to introduce you to a study on the respiratory system. Students and teachers will benefit from this resource.
CK-12 Foundation
Ck 12: Fourth Grade Science: Life Science: The Respiratory System
[Free Registration/Login may be required to access all resource tools.] Defines respiration, looks at structures of the respiratory system, and discusses breathing mechanisms.
Other
Inheritance, Evolution, and Ecosystems
Students learn about inheritance, evolution, and ecosystems. Some topics explored in the tutorial are five kingdoms, respiration, energy transfer, and nutrient cycle.
University Corporation for Atmospheric Research
Ucar: Oxygen
Article provides an overview of the chemical element, Oxygen.
National Council of Teachers of Mathematics
Nctm: Illuminations: Every Breath You Take
Students estimate the number of breaths they take, then perform an experiment to find the actual amounts.
CK-12 Foundation
Ck 12: Earth Science: Importance of the Atmosphere Study Guide
Get the big-picture overview of the importance of Earth's atmosphere and the reactions that happen within it.
CK-12 Foundation
Ck 12: Life Science: 11.31 Respiratory System
Learn the basic functions of the human respiratory system.
CK-12 Foundation
Ck 12: Biology: Respiratory System Study Guide
Review the structure and function of the human respiratory system.
Science Museum of Minnesota
Science Museum of Minnesota: Habits of the Heart: About Your Lungs
Learn about your lungs by viewing animations and interactives of the respiratory system and actually see your lungs at work.
National Health Museum
Access Excellence: Photosynthesis and Respiration
View a diagram showing the processes of photosynthesis and respiration and how they fit together. Includes a legend.
Curated OER
Kids Health: Bronchial Tubes
Learn what bronchial tubes are and where they are located in this brief definition by KidsHealth.
Inner Body
Innerbody: Animation of a Capillary
This site from Innerbody.com has an amazing animation of how a capillary works; there is even a detailed description to help understand the process.
Bio Topics
Bio Topics: The Respiration Process
This site provides a brief description of aerobic and anaerobic respiration. In addition, there are several learning exercises to reinforce and check understanding of the concepts presented.
Bio Topics
Bio Topics: The Respiration Process
A instructional activity explaining the respiration process.
Sophia Learning
Sophia: Respiratory Cycle
This lesson will cover the respiratory cycle by looking at inhalation and exhalation.
Other
Sambal's Science Web: Respiration
This concise article defines respiration, aerobic respiration, and anaerobic respiration. The definitions are followed by a short summary of each concept which further differentiates the processes.
BBC
Bbc Newsround: Whale Sets New Breath Holding Record
A Cuvier's beaked whale recently accomplished a dive in which it held its breath for 137 minutes, a new record.
BiologyWise
Biology Wise: Importance of Photosynthesis
Explains what the products of photosynthesis are, how we depend on this process for the oxygen we breathe, how it maintains the balance between carbon dioxide and oxygen in the environment, and how it supports all other living organisms...
Sophia Learning
Sophia: The Respiratory System
Provides a basic understanding of the human respiratory system and gaseous exchange.
BiologyWise
Biology Wise: Carbon Oxygen Cycle
The fours stages of the carbon-oxygen cycle are described - photosynthesis, respiration, combustion, and decomposition.
Other
Biology at Clermont College: The Respiratory System
What do you know about the respiratory system? This site gives a detailed description of this integral human body system. Don't miss out.
The Franklin Institute
The Franklin Institute Online: Oxygen Delivery System
This site from The Franklin Institute explains the primary function of the respiratory system - to deliver oxygen to all parts of the body (breathing).