For example, the necessary amount of oxygen for human respiration, and the amount that is toxic, is set by the partial pressure of oxygen across a very wide range of different concentratons of oxygen present in inhaled breathing gases, or dissolved in blood.
The necessary amount of oxygen for human respiration, and the amount, is set by the partial pressure of oxygen across a very wide range of different concentratons of oxygen present in inhaled breathing gases. This was for example. This amount is toxic. The necessary amount of oxygen for human respiration, and the amount, is dissolved in blood. This was for example. This amount is toxic.