a creatinine urine test measures the amount of creatinine in your urine and can help your doctor evaluate how well your kidneys filter waste this is useful in diagnosing or ruling out kidney diseases and some other conditions
Therefore, to change the energy of a system, energy must be transferred to or from the system. Heat and work are the only two mechanisms by which energy can be transferred to or from a control mass. Heat is the transfer of energy caused by the temperature difference.emperature is used as a measure of the internal energy or enthalpy, that is the level of elementary motion giving rise to heat transfer. Heat can only be transferred between objects, or areas within an object, with different temperatures (as given by the zeroth law of thermodynamics).
Thermal energy can be transferred by conduction, convection and radiation. When a person pushes another on the swings, they transfer their kinetic energy as seen when the person being pushed goes higher. Energy can be transmitted or converted, but it cannot be destroyed, according to the law of conservation of energy. When energy is not being used, it is called potential energy.