Today we went over pyruvate oxidation and the Kreb's cycle. Here are some animations that will help you to understand the first 3 stages of cellular respiration.
http://highered.mcgraw-hill.com/sites/0072507470/student_view0/chapter25/animation__how_glycolysis_works.html
http://www.science.smith.edu/departments/Biology/Bio231/glycolysis.html
http://www.wiley.com/legacy/college/boyer/0470003790/animations/tca/tca.htm
http://www.wiley.com/college/pratt/0471393878/student/animations/citric_acid_cycle/index.html
http://www.science.smith.edu/departments/Biology/Bio231/krebs.html