How does this level of organization relate to cells? to organ systems?

System is a group of similar organs working together Organ is a group of similar tissues forming a layer in an organism which perform a specific functiontissue is a group of similar cell which carry out a particular function

1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.