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#what happens...get a deep breath....and hold#.

Thread Status: Hello , There was no answer in this thread for more than 60 days.
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New Member
Mar 7, 2005
i am a newbei on db.net friends.
i was born at a seashore and started diving at 6 and i spent 30 years on the sea.
my pb's 4:50 minute maximum deep dive 37 meters( when age 22)..
i believe there must be a professional or professionals..
i asked this question many times but did not find out real answer up to now.
get a deep breath......... and HOLD!
where 02 goes?
why heartbeat get slow?
any can explain from A to Z
thanks in advance!
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