Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-scuba-diving-b25ae5c62d57

How can an open-circuit diver fine-tune buoyancy with lungs?

By adjusting average lung volume.

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  1. By holding their breath
  2. By breathing rapidly
  3. By adjusting average lung volume ✔

Why: Small changes in average lung volume adjust buoyancy slightly, though the BC is better for long-term control.

Huh, didn't know that: Small changes in average lung volume adjust buoyancy slightly, though the BC is better for long-term control.

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References

Answer: By adjusting average lung volume. Small changes in average lung volume adjust buoyancy slightly, though the BC is better for long-term control.

  1. Scuba diving en.wikipedia.org/wiki/Scuba_diving
    Skilled open-circuit divers make small adjustments to buoyancy by adjusting their average lung volume
    Checked 2026-11-07.

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