Eleven travel safety warning How many uncontrollable risks are there in diving?

Recently, two divers were killed in Panjiakou Reservoir in Tangshan. While expressing their condolences to the two deceased, netizens’ discussion on the dangers of diving, an extreme sport, also increased. How dangerous is diving? 3 minutes to tell you the most prone accidents of a diver and the uncontrollable risks that may occur underwater.

Subdivided, diving will encounter about three risks: drowning, gas poisoning and decompression sickness. In 2014, the Du ‘an diving accident caused a sensation in the diving circle. The diver mistakenly thought that the oxygen was used up and was killed in a series of accidents caused by sudden panic.

The air we breathe is mainly composed of nitrogen and oxygen, and these gases will become "toxic gases" under high pressure.

The risk caused by pressure change is caused by the change of gas volume in the lungs, commonly known as lung explosion. The gas that cannot be metabolized in the body will quickly fill the body cavities such as joints, ear cavities and nasal cavities, causing serious decompression sickness.

In addition, there are some uncontrollable factors, such as sharks, power grids, undercurrents and mysterious forces, which remind you all the time that diving will be poisoned, so please be careful before trying.