Have you been feeling close to nature lately? That might be because you are made of the very same stuff as trees, water and air. Living creatures constantly exchange atoms of carbon and oxygen with plants as they go about their daily lives, just breathing, eating, and growing. Plants recycle those elements in a cycle that intimately links all life on Earth. Check out this great video from It’s Ok To Be Smart that tells the story of Carbon and Oxygen and You:
Learn more about how we extract energy from our food in our module on carbohydrates.
Discover how plants convert sunlight into biomass in our module on photosynthesis.
We’re not only made of carbon and oxygen, we’re all made of “star stuff.” Watch Carl Sagan’s classic explanation on the original Cosmos.
Written by Julia Rosen
Julia Rosen is a freelance science writer and PhD student at Oregon State University. She received a Bachelors degree in Geological and Environmental Sciences from Stanford University before beginning her doctoral research on polar ice cores and climate change. In between, she did her Master's in backpacking around the world and skiing. Julia is a periodic contributor to Oregon States research magazine, Terra, and helps write blog content and develop learning modules for Visionlearning.