Why You Should Put YOUR MASK On First (My Brain Without Oxygen) – Smarter Every Day 157

You should put your mask on first when you are flying in a fighter jet. If you are very high in the air and you take your mask off, then there is a huge problem. Hypoxia will take place if you take your mask off at high altitudes. One man trained with a lot of simulations before he want in the air. An experiment took place to see what happens when the mask is taken off.

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