Weird Thought

How much iron is there in the haemoglobin in your blood? Like, if you drained 8 pints of blood and refined it into iron?

Comments

3 responses to “Weird Thought”

  1. bartb
    re: Weird Thought

    “the average human contains about four grams” (www.everything2.com/index.pl?node=iron)

  2. Dave Walker
    re: Weird Thought

    As a further side comment, the iron in haemoglobin is in a +3 oxidation state. The iron in spinach is in a +2 oxidation state. Therefore, while spinach is good for you in other ways, the fact that it is a significant source of iron doesn’t actually help its case much :-).

  3. bartb
    re: Weird Thought

    Your body can process the iron from spinach when it’s processing iron from (say) steak, but not when it is just processing spinach alone…

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