ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************

	Qxygenated blood red cell containsn oxy-hemoglobin which is bright  
red. When oxygen is displaced by carbon dioxide carbaminohemoglobin is  
formed which is dark red; not quite blue. Yes arterial blood, from the  
lungs, is oxygen rich and bright red; venous blood, going back to the  
lungs is darker red.


Martin
On Nov 30, 2009, at 3:27 PM, Erich Rose wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology  
> Centers
> Incorporated, a worldwide network of science museums and related  
> institutions.
> *****************************************************************************
>
> RED, RED, RED.  BRIGHT RED WHEN FULL OF OXYGEN (ARTERIAL?) AND DARK  
> WHEN FLOWING BACK (VEINOUS?)
>
> OTHERS WILL CHIME IN WITH MORE DETAIL I HOPE.
>
> Erich Rose
> Erich Rose Design
> 807 The Living End
> Austin, TX 78746
> 512-626-9930; [log in to unmask]
>
>
>
>
> On Nov 30, 2009, at 2:22 PM, Jonah Cohen wrote:
>
>> ISEN-ASTC-L is a service of the Association of Science-Technology  
>> Centers
>> Incorporated, a worldwide network of science museums and related  
>> institutions.
>> *****************************************************************************
>>
>> OK, folks. Some debate was going on, and (go figure) online searching
>> revealed much baldly contradictory info. So let me ask the esteemed
>> folks of ASTC:
>>
>> Human blood: blue? red? changing between the two?
>>
>> Vulcans = green,
>> Jonah Cohen
>> Outreach & Public Programs Manager
>> The Children's Museum
>>
>> "The point is, with the right amount of genius and a touch of  
>> perceived
>> insanity, science can conquer anything."
>>
>>
>>
>> ***********************************************************************
>> For information about the Association of Science-Technology Centers  
>> and the Informal Science Education Network please visit www.astc.org.
>>
>> Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org 
>> .
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> ***********************************************************************
> For information about the Association of Science-Technology Centers  
> and the Informal Science Education Network please visit www.astc.org.
>
> Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org 
> .
>
> The ISEN-ASTC-L email list is powered by LISTSERVR software from L- 
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For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.

Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.

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