How many calories does the body use in donating blood?

Subject: How many calories does the body use in donating blood?

Date: Wed Jan 21 05:27:01 2004
Posted by No name entered.
Grade level: grad (non-science) School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: General Biology
ID: 1074684421.Gb

Message:


I'm interested in this as some friends and I donate on a regular basis. 
Sometimes I feel extremely tired for several days after. I was wondering how 
much 'energy' or calories are burned by the body in blood donation. thanks!

Re: How many calories does the body use in donating blood?

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