You are told that one teenager in a room with nine healthy teenagers of the same age, weight, etc is suffering from a genetic disease resulting in a low (but not zero) level of complex 1 of the respiratory chain. Since you must hurry to catch a plane for a medical conference, you only have 40 minutes to determine which of the ten persons has the deficiency of complex 1. Therefore you…. Have everyone hold their breath as long as possible and observe what happens.  Have everyone drink two beers and observe what happens  Have everyone go to asleep and observe what happens  Have everyone run around the block as fast as possible and observe what happens

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Respiratory Infections

Respiratory infections are infectious diseases of the respiratory tract that are mostly caused by bacteria and viruses. They cause infections of the throat, sinuses, airway path, and lungs. Respiratory infections are typically divided into two types: upper tract respiratory infection and lower tract respiratory infection.