(Parts) [edit]. There are several parts of the excretory system. To get rid of liquid waste in our bodies, we have two kidneys, two ureters, a bladder, and a urethra. Kidneys filter our blood to get rid of things if our blood that are not needed.If we didnât have kidneys, we would eventually be poisoned by this waste.Parts) [edit]. There are several parts of the excretory system. To get rid of liquid waste in our bodies, we have two kidneys, two ureters, a bladder, and a urethra. Kidneys filter our blood to get rid of things if our blood that are not needed.
What is the abbreviation for Standard Operating System? Looking for the shorthand of Standard Operating System? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: Standard Operating System.
Stands for Disk Operating System.. DOS was the first operating system used by IBM-compatible computers. It was originally available in two versions that were essentially the same, but marketed under two different names. PC-DOS was the version developed by IBM and sold to the first IBM-compatible manufacturers.