Glycolysis, citric acid cycle, electron transport chain
I do not believe so because it is genetic, just you can't forever change a feature without plastic surgery or an accident, etc.
C)Bones Surround And Protect The Lungs
Answer:
I would start on Evaporation. I will then have to go through condensation, then precipitation, then a surface runoff then into groundwater which will start the evaporation process all over again :)
