Pulmonary contusions are commonly associated with flail chest and that can lead to respiratory failure. This is due to the paradoxical motions of the chest wall from the fragments interrupting normal breathing and chest movement.
In computer architecture, a bus (a contraction of the Latin omnibus) is a communication system that transfers data between components inside a computer, or between computers. This expression covers all related hardware components (wire, optical fiber, etc.) and software, including communication protocols.
Universal serial bus, or USB, is an electronic communications protocol that is commonly used in computer accessories and other small devices. Devices like keyboards, mice, cameras, printers, memory storage drives, and mp3 players will usually connect to your computer using a USB cord.