The blood brings oxygen to the body cells<span> and takes away their carbon dioxide. The blood that travels </span>back<span> to the </span>heart<span> and </span>lungs<span> is </span>dark red<span>. It has picked up carbon dioxide from the </span>body cells<span>, and it has left most of its oxygen with the cells.
</span><span>http://lsa.colorado.edu/essence/texts/lungs.html
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A good old fashioned spanking
I would say 1/2 to 2 pounds is the right answer I think
<span> Its not the first one for sure. All the other ones seem right. Sorry I couldn't be much help. </span>
The medical term that refers to a blood study that gives a direct measurement of the amount of thyroxin in the patients blood is the THYROXIN LEVEL
