oxygen saturation curve. graphical representation describing the relationship (usually curvilinear) between fraction of oxygen-binding sites (of a protein) that have oxygen bound to them and the partial pressure (concentration) of free oxygen.
Other dialects spoken in the Philippines include Cebuano, Ilokano, Waray-Waray, Hiligaynon, Pangasinan, Bikol, Maranao, Maguindanao, Tausug, and Kapampangan, but the official language, Filipino, is based on Tagalog.
It is spoken in central and southern Luzon, in Manila, the capital of the Philippines, and on some of the other islands. According to the Philippine Census of 2000, 21.5 million people claim Tagalog as their first language. In addition, it is estimated that 50 million Filipinos speak Tagalog as a second language.