This is possible if the omelette has been cooked using unhealthy fat e.g. if you are eating in a restaurant that has cooked its vegetables using bacon fat. You will also have to consider the eggs size. Small eggs will contain about 54 Calories whereas jumbo eggs will contain about 90 calories.
The kidneys and liver can make hormones that stimulate other organs. When sunlight strikes the skin, the skin makes a chemical that the liver changes into a form of vitamin D. This vitamin D moves from the liver to the kidneys courtesy of the bloodstream. In the kidneys it becomes a hormone called calcitriol.
The kidneys and the liver work together to remove toxic waste substances from the body. The products of waste breakdown travel from the kidneys to the liver via the circulatory system. However, aside from this primary duty, these organs also have roles in generally maintaining conditions and regulating functions throughout the body.