Your body needs glucose in order to release energy, which is needed in day-to-day activities. To get this energy, oxygen is needed to convert the glucose into the energy. The word equation for this process is:
The carbon dioxide is breathed out, as it is not needed in the body along with the water, which is breathed out as water vapour.
Comments (2)
really kool! luving the voices!
Posted by Anonymous | January 7, 2008 7:03 PM
it's very informative and the voices are excellent! u just want to listen to it all day! real nice!
Posted by sarah | January 16, 2008 9:33 PM