Curated OER
Gas Exchange And Respiratory Systems.
Explore structures within the realm of gas exchange in terrestrial and aquatic life. The excellent, labelled diagrams and clear descriptions help your students view the different structures and adaptations that have developed. The 29...
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.
Open Curriculum
Open Curriculum: Properties of Oxygen
This article aims to show a variety of properties related to the element oxygen.
Scientific American
Scientific American: The Origin of Oxygen in Earth's Atmosphere
The breathable air we enjoy today originated from tiny organisms, although the details remain lost in geologic time. Scientific American helps uncover this mystery.
Other
Astrobiology Magazine: The Rise of Oxygen
A look into what controls the rise of oxygen on the Earth and maybe on other planets as well.
Other
Earth Sky: The Earth's First Breathable Atmosphere
Find out about the perfect storm of conditions that allowed Earth's atmosphere to contain oxygen.
TED Talks
Ted: Ted Ed: Oxygen's Surprisingly Complex Journey Through Your Body
In the body, oxygen forms a vital role in the production of energy in most cells. Enda Butler tracks the surprisingly complex journey of oxygen through your body.