Question

when we do any type of physical exercise , chemical energy of changes into
​

Answer 1

Answer:

The law of conservation of energy states that in any physical or chemical process, energy is neither created nor destroyed.

Answer 2

Answer:

Exothermic and Endothermic Processes. When physical or chemical changes occur, they are generally accompanied by a transfer of energy. The law of conservation of energy states that in any physical or chemical process, energy is neither created nor destroyed.These chemicals have some of this energy stored in them as chemical energy. When we or other animals eat the food, we change the chemical energy into mechanical energy of a living, growing, and moving body