These gastroliths are also used in buoyancy control.
Swimming efficiency, reduced water resistance, trim and buoyancy control were not generally required due to the nature of those caves.
Polar diving experience has shown that buoyancy control is the critical skill affecting safety.
This modified stomach may be for buoyancy control or for breathing air.
You wouldn't know it to look at me, for instance, but my underwater buoyancy control is superb.
If they didn't, you wouldn't need to learn about buoyancy control or bear defence.
Reluctantly, I found the buoyancy controls and shut down the grav support.
We went through several of the basics, including regulator retrieval and buoyancy control.
The chief aim is to educate divers in buoyancy control so that they can avoid contact with coral.
A role in buoyancy control is therefore unlikely.