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What are the adaptations of a yak?
Indigenous mountain animals like the llama, alpaca, and vicuña in the Andes or the yak in the Himalayas are adapted rather than acclimatized to the low oxygen partial pressures of high altitude. Their hemoglobin has a high oxygen affinity, so that full saturation of the blood with oxygen occurs at a lower partial pressure of oxygen. In contrast to acclimatized humans, these indigenous,...
How do high-altitude locations affect breathing rate?
The amount of oxygen is same. The partial pressure of oxygen is lower at higher altitude. The reason why lungs must work harder is because oxygen is required in the body to supply hemoglobins in the blood. The affinity of hemoglobin to oxygen becomes lower as the partial pressure of oxygen decreases, creating a higher breathing rate in order to acquire more oxygen. Take an example of llama that lives up high in mountains. Their body is well adapted to it, such that their hemoglobin's affinity to oxygen is much higher than that of humans, and does not require extra work in order to acquire more oxygen.
Why oxygen is needed for rusting and decaying?
It has high affinity for electrons.
Why do people who climb high need gas masks?
Because of high altitude sickness which is affected by climbing up high were there is high altitude. High altitude is were there is to much oxygen up high, if you breech in to much oxygen you could faint.
Is o2 saturation lower at high altitude is oxygen saturation lower at a high altitude?
The atmospheric saturation of oxygen decreases as altitude increases. Almost all humans can't live above 18,000 feet due to low oxygen concentrations
Why does breathing rate increase at a high altitude?
At high altitude, there is less oxygen, so breathing rate is increased to compensate.
Does high altitude make you dizzy?
Lack of oxygen to the brain makes you dizzy. High altitude generally has lower density air, which gives you less oxygen in a given volume of breath than you would get with the same volume at a lower altitude.
How can the oxygen store in myoglobin be replaced after use?
Myoglobin has a very high affinity for oxygen, meaning it binds it very strongly. At very low oxygen concentrations in the cell, myoglobin releases its oxygen, despite the high affinity, simply because there are too few oxygen molecules around to rebind to the myoglobin when they are released naturally from the myoglobin (which usually occurs anyway). Once the oxygen concentration increases again, returning to normal, oxygen molecules will collide with myoglobin. The myoglobin, with its high oxygen affinity, will strongly bind any oxygen that meets it, replenishing myoglobin's oxygen storage very quickly. As myoglobin's affinity for oxygen is stronger the haemoglobin's, it will 'steal' oxygen from haemoglobin in the blood very easily, replacing its bound oxygen. This binding system serves to release oxygen when it is needed if blood oxygen levels are reduced (due to high levels of exercise), but replenishes the supply when oxygen levels begin to rise again.
Is the amount of oxygen in each breath less at high altitude?
yes
What is oxygen used for on planes?
In case there is a high altitude decompression emergency.
Why did david hempleman-adams needed an oxygen mask to fly at high altitude?
If one flies at high altitude the air gets thinner, that is, there is less of it. If one wants to have enough oxygen, he will need a mask.
Why oxygen is needed for oxidative phosphorelation?
It's the final electron acceptor, due to its high affinity for electrons.
