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Questions for Discussion: Trying to Breathe on Mount Everest

What happens to the oxygen as you go higher in altitude? What is it like five miles above sea level?
What is hypoxia and what are its symptoms? Is it dangerous?
How does the hyperbaric chamber (Gamoff bag) work to help alleviate symptoms of hypoxia?
Why do humans attempt to climb Mount Everest even though it is so dangerous?
Can you imagine wanting to climb Mount Everest yourself? Why?