This is an inclusive term for several conditions involving inflammation of the kidney. Nephritis is the most common cause of blood in the urine of children and young adults but it can occur at any age. If your GP suspects nephritis he will usually refer you to a nephrologist (kidney doctor).
Quick Answer. The average U.S. car weighs in at just 4,000 pounds, which is two tons. This is the average of all mass manufactured vehicles in the United States.
That is where you will see the distinction between GT cars and sports cars. GT cars will have all the luxuries and sound insulation adding significant weight (usually 400 to 700 pounds). Heaviest sports cars are usually around 3200 to 3300. Most above that are muscle or GT.