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OpenStudy (anonymous):

How many kilograms of hemoglobin are there in a person who has 5.5L of blood.?

OpenStudy (anonymous):

@Maryann75 Hi there! You're going to want to post this question in the Biology section of OpenStudy. That way, you can be helped by people tutoring in that subject. If you post in the incorrect area, your question could be regarded as spamming, or it just may not get answered (or at least, not very quickly). I know that I personally check the Biology section daily, looking to help questions like these. Your question may not get answered if no one can find it! Here is the link to the section you're looking for! Good luck, and enjoy OS! http://openstudy.com/study#/groups/Biology

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