CO is different in that it is more general in meaning and not niche specific. .CO is registered just like all the other domain extensions. You can get it from domain retailers (a/k/a registrars) for one year or multiple years in advance.
The cat's spleen is an elongated organ located in the abdomen. Though not essential for life, the spleen performs important functions related to the blood and lymph systems. The spleen filters the blood and participates in various immune functions.
The spleen is a delicate, fist-sized organ under your left rib cage near your stomach. It contains special white blood cells that destroy bacteria and help your body fight infections. The spleen also makes red blood cells and helps remove, or filter, old ones from the body's circulation.