The simple story of photosynthesis and food - Amanda Ooten
View full lesson: http://ed.ted.com/lessons/the-simple-but-fascinating-story-of-photosynthesis-and-food-amanda-ooten Photosynthesis is an essential part of the exchange between humans and...
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Translator: Andrea McDonough Reviewer: Bedirhan Cinar Ever wonder where most of the food you eat every day comes from? Well, about 60% of the food you eat is carbohydrates. As you can probably tell from its name, carbohydrates contain carbon, hydrogen, and oxygen. But where do these atoms originally come from and how do they join together to make delicious foods like fruits and pasta? It actually all starts with the air you are exhaling this very minute, specifically the carbon dioxide molecules. Plants are going to breath in this very same carbon dioxide through pores in their skin, called stomata. Plants drink in water from their roots to get the needed oxygen and hydrogen atoms, and their electrons, in order to build carbohydrates. What is that...
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Translator: Andrea McDonough Reviewer: Bedirhan Cinar Ever wonder where most of the food you eat every day comes from? Well, about 60% of the food you eat is carbohydrates. As you can probably tell from its name, carbohydrates contain carbon, hydrogen, and oxygen. But where do these atoms originally come from and how do they join together to make delicious foods like fruits and pasta? It actually all starts with the air you are exhaling this very minute, specifically the carbon dioxide molecules. Plants are going to breath in this very same carbon dioxide through pores in their skin, called stomata. Plants drink in water from their roots to get the needed oxygen and hydrogen atoms, and their electrons, in order to build carbohydrates. What is that...
