【T4】 A.CONVERT B.ON C.SOMETHING A.BOTH【T1】______THAT FUEL, FIRST INTO HEAT B.BOTH RUN【T2】_______ FUEL C.TURNING IT INTO【T3】______ELSE THE PROCESS OF GAINING OR LOSING WEIGHT CAN BE EXPLAINED BY COMPARING YOUR BODY TOYOUR CAR.【T4】______, FOOD FOR YOUR BODY AND GASOLINE FOR YOUR CAR.【T5】______,THEN ENERGY, SOME OF WHICH IS USED TO DO WORK, AND SOME EMITTED AS WAST E.AND JUST AS YOUR CAR USES MORE ENERGY WHEN THE ENGINE IS RACING THAN WHEN IT IS IDLING, SO DOES YOUR BODY USE MORE ENERGY WHEN YOU ARE WORKING HARD THAN THAT YOU ARE RESTIN G. FOR THE PURPOSE OF THIS COMPARISON, HOWEVER, THERE IS ONE SIGNIFICANT DIFFERENCE BETWEEN THE M.YOUR CAR CANNOT STORE FUEL BY【T6】______; ALL GASOLINE NOT CONSUMED REMAINS AS GASOLIN E.BUT YOUR BODY STORES EXCESS ENERGY AS FAT.WHEN THE GAS TANK IS COMPLETELY EMPTY, THE CAR WON'T RUN; BUT YOUR BODY CAN BURN FAT TO PROVIDE MORE ENERGY.