Klarinet Archive - Posting 000152.txt from 1997/05

From: "Diane Karius, Ph.D." <dikarius@-----.edu>
Subj: Re: Air speed
Date: Tue, 6 May 1997 22:09:13 -0400

By the time the air reaches the trachea, the air is at body
temperature and can *not* be warmed further no matter how long the air
is held in the lungs.

> In fact one can change the temperature of the air by changing the amount of
> time the air is held within the lungs. When air is inhaled it is both warmed
> and humidified in our lungs. This amount of heat that can be transferred to
> the air is dependent on the amount of time the air is contained within the
> lungs.
>
> But there is a limit. Once the air is held in the lungs beyond a certain
> point it reaches equilibrium and will not be warmed further.
>
Diane R. Karius, Ph.D.
Department of Physiology
University of Health Sciences
2105 Independence Ave.
Kansas City, MO 64124
email: dikarius@-----.EDU