OpenStax
Open Stax: Anatomy & Physiology: Transport of Gases
Students learn the principles of oxygen and carbon dioxide transport within the human body, and understand the structure of hemoglobin.
Encyclopedia of Earth
Encyclopedia of Earth: Environmental Chemistry: Carbon Cycle
Article explaining the importance of carbon as the basis for life, carbon dioxide's role in photosynthesis and respiration, carbon in the ocean and lithosphere, the impact of human activities on the carbon cycle, carbon that seems to be...
TeachEngineering
Teach Engineering: Carbon Cycles
Students are introduced to the concept of energy cycles by learning about the carbon cycle. They will learn how carbon atoms travel through the geological (ancient) carbon cycle and the biological/physical carbon cycle. Students will...
NASA
Nasa: Carbon: Where Does It All Go?
At this site from NASA you can understand how phytoplankton help the carbon dioxide levels between the oceans and the air stay in balance.
University Corporation for Atmospheric Research
Ucar: The Carbon Cycle
A comprehensive introduction to the carbon cycle. The cycle of atoms between living and non-living things is known as a biogeochemical cycle. The most common of these are the carbon and nitrogen cycles.
OpenStax
Open Stax: Anatomy & Physiology: Organs and Structures of the Respiratory System
Students learn and understand the structures that make up the respiratory system, and then apply that knowledge to understand the process of oxygen and carbon dioxide exchange.
National Geographic
National Geographic: Sources, Sinks, and Feedbacks
Students will learn about how the Earth's carbon cycle works, as they examine the relationship between levels of carbon dioxide and water vapor in the atmosphere and the temperature of the ocean's surface. Includes online student...
TeachEngineering
Teach Engineering: Dinosaur Breath
Through discussion and hands-on experimentation, students learn about the geological (ancient) carbon cycle. They investigate the role of dinosaurs in the carbon cycle and the eventual storage of carbon in the form of chalk. Students...
Vision Learning
Visionlearning: Atmosphere and Oceans: Composition of Earth's Atmosphere
An explanation of the different parts of the atmosphere and how pressure and temperature changes at different altitudes.
TeachEngineering
Teach Engineering: What Do Bread and Beer Have in Common?
Students are presented with information that will allow them to recognize that yeasts are unicellular organisms that are useful to humans. In fact, their usefulness is derived from the contrast between the way yeast cells and human cells...
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...
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