(7)	Cellular+respiration+–+The+process+(this+is+your+most+difficult+topic+–+put+good+students+on+it)


 * Recap: Why do we digest food?
 * Where does cellular respiration occur?
 * What does it need?
 * What does it produce?
 * What are the four steps?
 * Describe key event in each
 * How much energy is produced with O2 (and without O2)?
 * Why the difference?