Passengers who don’t get a oxygen they need are during risk of flitting out from hypoxia. This is a condition in that low amounts of oxygen in a body’s tissues can fast lead to symptoms like dizziness, prophesy problems, mental confusion, and even unconsciousness, mind repairs and death. Â
Article source: https://www.huffingtonpost.com/entry/what-the-southwest-flight-can-teach-us-about-oxygen-masks_us_5ad78dafe4b029ebe0207d81