At which altitude does the air begin to be noticeably thinner?
At 12,500 feet the air becomes thinner and oxygen becomes lower making it difficult to breathe.
Last updated on 19 May 2023
They seem to be reddish because of greater concentration of hemoglobin the oxygen carrying protein the main component of red blood cells.
High altitudes may mean ambient pressure can drop below vapour pressure hence, you might feel lethargy, sometimes unconciousness and if you are unable to cope up then connect with a doctor to know the best treatment.
The cabin air pressure in an airplane is adjusted to compensate for these high altitudes. The oxygen level is comparable to levels found in elevations of 5,000 to 9,000 feet. Both men and women can get altitude sickness.
At altitude, the reduced oxygen content of the blood induces breathing instability, with periods of deep and rapid breathing alternating with central apnea. This breathing pattern is called high-altitude periodic breathing (PB).
High altitudes can cause low oxygen saturation levels or desaturation of an individual's blood. It happens because of low atmospheric pressure at high altitudes. Oxygen saturation levels refer to the extent hemoglobin is bound or saturated to oxygen.
Hb Test, Hb
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