How does an airway obstruction, high altitudes and hypoventilation effect inspired oxygen concentrations?

Hypoxia is a state in which oxygen is not available in sufficient amounts at ... Airway obstruction which can be proximal as in laryngeal edema or foreign ... Restricted movement of chest wall as in obesity hypoventilation syndrome, ... due to low O2 content in the air

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that crazy

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Our freedom of choice in a competitive society rests on the fact that, if one person refuses to satisfy our wishes, we can turn to another. But if we face a monopolist we are at his absolute mercy. ... There is no consensus as to whether an increase in economic freedom of choice leads to an increase in happiness.

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It is so important to understand that we are all making choices all the time, even when we chose not to choose we have still made a choice. It is our choices that determine our experiences. ... Unless we are willing to take full responsibility for ourselves and the choices we make, we have no control over our lives