Why does the NRA oppose background checks? The NRA supported our current system of background checks, so the premise of the question is actually invalid, but I suspect that what was intended to ask was why background checks on private sales are a nonstarter. That is simple: it is for the same reason the exemption was originally codified into law.
They mistake pains in the back or stomach as pain in kidney area. There is also a misconception about the location of the kidneys. Many people believe the kidneys to be located somewhere in their lower abdomen region. Actually, it is placed just below the diaphragm on each side of the body.
The kidneys are bean-shaped organs (about 11 cm x 7 cm x 3 cm) that are located against the back muscles in the upper abdominal area. They sit opposite each other on both the left and right side of the body; the right kidney, however, sits a little lower than the left to accommodate the size of the liver. Medscape.