Find a video lesson on this sub-topic at Dan Rott videos, or many assessment statements are covered by Stephanie Castle (with more being added all the time).
In Crash Course Biology #7 – ATP & Respiration, in which Hank does some push-ups for science and describes the “economy” of cellular respiration and the various processes whereby our bodies create energy in the form of ATP.
RESPIROMETER
AP Biology Lab 5: Cellular Respiration from Mr Andersen
A respirometer simulation from Pearson