The correct answer is This functions same as rechargeable battery.
The molecules present in human body which serves as the source of energy for all the reactions that takes place in the body. The ATP molecules acts as the rechargeable battery. The conversion of Adenosine triphosphate into Adenosine biphosphate and inorganic phosphate group, provides energy for the reaction and the then vice versa. The energy is provided by breaking the bond. This functions same as rechargeable battery.
