Breathing transports oxygen into the body and carbon dioxide out of the body. Aerobic organisms require oxygen to create energy via respiration, in the form of energy-rich molecules such as glucose. The medical term for normal relaxed breathing is eupnoea.

Humans typically breathe between 12 and 20 times per minute, with children breathing faster than adults. Babies may breathe as much as 40 times per minute. Adults normally breathe about 500-700ml of air at a time. An average 14 year old takes around 30,000 breaths per day.

Breath is sometimes used as a metaphor for life itself, and often "last breath" is the most obvious sign that death has occurred. The association between the end of life and breathing is not absolute, however. As modern treatment can now take over the process of breathing by mechanical ventilation, or CPR, breathing can be restarted if it stops. Because of this, modern deaths are now better defined in terms of brain disfunction.

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Breathing - Twitter Search

Give your lungs some breathing space! http://bit.ly/1M6eKX
Breathwork (Geoffrey Smith) Sun, 08 Nov 2009 08:50:59 -0000
Give your lungs some breathing space! http://bit.ly/1M6eKX
@Maddions Yes, I will be ready if you stop breathing or start choking... I'll even be ready if you have no pulse for some reason. :l
jacquelinann (Jacqui) Sun, 08 Nov 2009 08:49:55 -0000
@Maddions Yes, I will be ready if you stop breathing or start choking... I'll even be ready if you have no pulse for some reason. :l
Breathing Places Make a real difference to the wildlife in your neighbourhood.
pallarajasekhar (PALLARAJASEKHAR) Sun, 08 Nov 2009 08:46:56 -0000
Breathing Places Make a real difference to the wildlife in your neighbourhood.
RT @marcwan No new @beijingair updates in 8 hours. I think the machine took one look outside and said "screw ya'll, I ain't breathing that!"
flying_around (Bó Jí Lè) Sun, 08 Nov 2009 08:46:53 -0000
RT @marcwan No new @beijingair updates in 8 hours. I think the machine took one look outside and said "screw ya'll, I ain't breathing that!"
@CalebKensington *fidgets with the string on the tea bag, breathing in deep*Of course, Mr. Kensington... It was a mistake... I'm so sorry
BriePerryPie (Brie Perry) Sun, 08 Nov 2009 08:45:25 -0000
@CalebKensington *fidgets with the string on the tea bag, breathing in deep*Of course, Mr. Kensington... It was a mistake... I'm so sorry
@godmachineuk doing a simple breathing concentration man? Something diff?
joshuabelanger (joshuabelanger) Sun, 08 Nov 2009 08:45:22 -0000
@godmachineuk doing a simple breathing concentration man? Something diff?

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