The digestive system, the circulatory system, the respiratory system, and finally the excretory system
circulatory and urinary systems
Most energy when a person is at rest is provided by fats. These are very important to the body's function.
its food
The circulatory system brings the needed substances to the body tissues.
central nervous
The brain uses the most energy in the body.
The most energy efficient home cooling systems is made by Energy Star You can read more at www.aceee.org/consumerguide/cooling.htm
Consumption is a specific type of demand - demand for goods and services.
A good choice for good energy consumption is the LG Flatron W2252TE.
The brain works with all body systems as the body's control center. It is most closely related to the nervous system.
Eventually all body systems will see the effects of dangerous gases, but the most immediate effects will be seen by the respiratory systems and the circulatory systems.
energy, oxygen
Muscular and nervous systems, most directly.
water
vitamin c
No due to the law of conservation of energy. However energy is often transferred to heat energy in most systems which makes it look like the energy disappears.
Watts is a unit of power, energy / time. Therefore, the energy consumption of a device is the amount of watts, multiplied by the time the device is turned on.