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Scuba divers don't get crushed by the weight of water when they are diving due to the principles of fluid pressure and buoyancy. The equipment and techniques used in scuba diving are designed to manage the effects of pressure underwater. Here's how it works:

Buoyancy:

Divers use a Buoyancy Control Device (BCD) to manage their buoyancy. The BCD allows them to control their position in the water column by adjusting the amount of air in the device. By adding air, they become more buoyant and can ascend; by releasing air, they become less buoyant and can descend.

Equalizing Pressure:

As divers descend underwater, the pressure increases. The human body is filled with air spaces, such as the ears, sinuses, and lungs. To prevent discomfort or injury, divers equalize the pressure in these air spaces by gently exhaling or using specific techniques. Equalizing prevents the pressure from causing pain or damage.

Breathing Gas:

Divers breathe compressed air or a specialized gas mixture from their scuba tanks. The pressure of the inhaled air is equal to the surrounding water pressure, maintaining a balance and preventing the diver from feeling "crushed."

Wetsuits and Drysuits:

Exposure suits, such as wetsuits and drysuits, not only provide thermal insulation but also add buoyancy. Divers compensate for this buoyancy by wearing weights. The combination of the exposure suit and weights helps maintain neutral buoyancy, allowing the diver to hover at a specific depth.

Pressure Tolerance:

The human body is remarkably adaptable to changes in pressure. As long as pressure changes are gradual and divers follow proper procedures for ascent and descent, the body can tolerate the pressure at various depths.

It's important for divers to follow established diving practices, including gradual ascent and descent, proper equalization, and maintaining neutral buoyancy. These practices help prevent barotrauma (pressure-related injuries) and ensure a safe and enjoyable diving experience. Additionally, divers are trained to monitor their depth, time underwater, and gas supply to avoid exceeding safe limits.

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Paradise Fiji

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4mo ago
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13y ago

They do not dive deep enough.

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Q: Why do scuba divers not get crushed by the weight of water when they are diving?
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