Urge to Breathe | Freedive Earth

Urge to Breathe

I know I know, it’s been such a very long time since you heard from guru of freediving physiology and darling of riverbank critters, the world-famous Dr Otter.

Breathing is a multistage biological process that is designed to move air in (inhalation) and out (exhalation) of the lungs.

I first came across this question from by a very organised, very talented level 2 student (German, naturally) who not only wanted to know exactly why he felt much better on the ascent, but