(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.
Operating Systems and Data Storage. 1  CPU - This stands for the Central Processing Unit of the computer. This is like the computerâs brain. 2  MAC - This is an abbreviation for Macintosh, which is a type of personal computer made by the Apple Computer company. 3  OS - This is the Operating System of the computer.