Chemistry

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  • Topic: Scuba diving, Underwater diving, Breathing gas
  • Pages : 1 (369 words )
  • Download(s) : 147
  • Published : May 25, 2013
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Scuba diving is a form of underwater diving in which a diver uses a scuba set to breathe underwater. According to the Professional Association of Diving Instructor (PADI), a “DEEP DIVE” is considered to be anything from 18 meters (60 ft) to 30 meters (100 ft). A scuba diver moves around underwater by using swim-fins attached to the feet, however external propulsion can be provided by a diver propulsion vehicle. Scuba diving may be performed for a number of reasons; either for recreational purposes or employed professionally to perform tasks underwater such as military, rescue, or scientific diving. However, all deep-sea divers face the risk of acquiring decompression sickness (DCS), also known as the BENDS!

Scuba diving is a form of underwater diving in which a diver uses a scuba set to breathe underwater. According to the Professional Association of Diving Instructor (PADI), a “DEEP DIVE” is considered to be anything from 18 meters (60 ft) to 30 meters (100 ft). A scuba diver moves around underwater by using swim-fins attached to the feet, however external propulsion can be provided by a diver propulsion vehicle. Scuba diving may be performed for a number of reasons; either for recreational purposes or employed professionally to perform tasks underwater such as military, rescue, or scientific diving. However, all deep-sea divers face the risk of acquiring decompression sickness (DCS), also known as the BENDS!

Decompression sickness is a type of underwater diving hazard and a painful condition in the abdomen and limbs caused by the formation and enlargement of Nitrogen, Oxygen, or Helium bubbles in blood and tissues as a result of rapid reduction in pressure. Helium blockages are more common in technical divers and professional divers DCS can develop when a diver ascends too quickly after exposed to high pressure. Decompression sickness is a type of underwater diving hazard and a painful condition in the abdomen and limbs caused by the formation and...
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