First, the cases removed any lingering possibility that the right is a marital one that depends upon that relationship. 252 Second, the right of privacy was denominated a liberty which found its source and its protection in the due process clause of the Fourteenth Amendment.
How a Low Oxygen Level Affects You. According to the COPD Foundation, a lower oxygen level can lead to: 1  Narrowed blood vessels in your lungs. 2  Quickened heartbeat and breathing. 3  A strained and weakened heart, which can lead to heart failure. 4  An increased number of red blood cells in the body.
Quick Answer. Mayo Clinic defines the normal human oxygen level as 95 percent to 100 percent. Levels below 90 percent are considered low. Oxygen levels are usually measured with a pulse oximeter device attached to the finger; this device measures the amount of oxygen saturating the blood. Continue Reading.