Dictionary » E » Exhalation

Exhalation

Exhalation

1. Breathing out.

Synonym: expiration.

2. The giving forth of gas or vapor.

3. Any exhaled or emitted gas or vapor.

Origin: L. Ex-halo, pp. -halatus, to breathe out


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Re:

... lungs as unidirectional Why? Mammalian lungs are bidirectional because air flows in two directions, one during inhalation, and another during exhalation. Avian lungs as I stated before are unidirectional because 'air flows in one direction', ie during both phases of respiration. For what it's ...

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by NMLevesque
Wed Nov 20, 2013 10:10 pm
 
Forum: General Discussion
Topic: Are bidirectional lungs essential for human speech?
Replies: 3
Views: 2597

Weight lost as carbon dioxide?

... lose around half a gram per day of carbon dioxide: According to wikipedia, the average breath is 0.5L There is approximately 5% more CO2 in an exhalation than in an inhalation So: (0.5L)*(16 breaths/min)*(1440minutes/day)=11520L of breath per day Atmospheric CO2 = ~0.04% 11520L*0.0004=4.608L ...

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by jonahsaltzman
Sat Feb 04, 2012 3:17 am
 
Forum: Human Biology
Topic: Weight lost as carbon dioxide?
Replies: 3
Views: 1754

Asthma

There seems to be some disagreement as to whether this is a real thing or not - there may be changes in things like saliva that may be affecting exhalation pH. Anyway, there is an apparent rise in nitric acid content, possibly associated with inflammation. It might reflect increased production ...

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by Darby
Mon Mar 19, 2007 2:53 pm
 
Forum: General Discussion
Topic: Asthma
Replies: 3
Views: 1525

Re: Several Respiratory Questions

... exhaled in a normal breathing movement) (expiratory reserve volume is the additional volume that can be forced out of the lungs beyond a regular exhalation) Thank you to the Biology-Online community 1) the question assumes that the female is smaller than the male. If the male lungs are larger ...

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by webCHO
Fri Dec 08, 2006 3:19 am
 
Forum: Human Biology
Topic: Several Respiratory Questions
Replies: 10
Views: 8369

Several Respiratory Questions

... exhaled in a normal breathing movement) (expiratory reserve volume is the additional volume that can be forced out of the lungs beyond a regular exhalation) Thank you to the Biology-Online community

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by NightStalker
Thu Dec 07, 2006 10:16 pm
 
Forum: Human Biology
Topic: Several Respiratory Questions
Replies: 10
Views: 8369
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