Follow your favourite podcasts, listen offline and in the car with CarPlay and Android Auto, and always pick up where you left off. Free to try.
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate
Click here to dig deeper into Oxygen: http://youtu.be/1PmD2GWB4u4 Click here to dig deeper into Carbon: http://youtu.be/1PmD2GWB4u4?t=47s Subscribe to It's Okay To Be Smart: http://bit.ly/iotbs_sub Follow on Twitter: http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com
OXYGEN: Electron transport chain (O2 to water): http://en.wikipedia.org/wiki/Electron_transport_chain
How Sam Ruben discovered that the oxygen that plants exhale comes from water, and not CO2: http://bit.ly/1vv1p0n
CARBON: How plants convert CO2 into carbohydrates: http://en.wikipedia.org/wiki/Light-independent_reactions
Carbohydrates turn into pyruvate: http://en.wikipedia.org/wiki/Glycolysis
Pyruvate powers the citric acid cycle, turning to CO2: http://en.wikipedia.org/wiki/Citric_acid_cycle
Joe Hanson - Host and writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Katie Graham - Director of Photography Andrew Matthews - Editor and motion graphics John Knudsen - Gaffer
Music: "Ouroboros" by Kevin MacLeod
Stock images via Shutterstock
Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios
----------- Join us on Patreon! https://patreon.com/itsokaytobesmart