Though the pulse oximeter actually measures the saturation of oxygen in your blood, the results are often used as an estimate of blood oxygen levels. Normal pulse oximeter readings range from 95 to 100 percent, under most circumstances. Values under 90 percent are considered low. 1  Causes.
About Dwarf Planets. The world was introduced to dwarf planets in 2006, when petite Pluto was stripped of its planet status and reclassified as a dwarf planet. The International Astronomical Union (IAU) currently recognizes two other dwarf planets, Eris and Ceres.bout Dwarf Planets. The world was introduced to dwarf planets in 2006, when petite Pluto was stripped of its planet status and reclassified as a dwarf planet. The International Astronomical Union (IAU) currently recognizes two other dwarf planets, Eris and Ceres.
There are four outer planets : Jupiter, Saturn, Uranus, and  Neptune.   All are gaseous and more massive than the Earth.    Pluto was once designated as a planet, â¦but was reclassified as a  dwarf planet. The four inner planets are Mercury, Venus, Earth,  and Mars.