At a po2 of 70 mm hg and normal temperature and ph, hemoglobin is percent saturated with oxygen.

Well im not that sure and i dont want to give you the wrong answer

What is your question then

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11