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? regarding exchange at Placenta

Discussion in 'MCAT Discussions' started by farley is god, Mar 20, 2004.

  1. farley is god

    farley is god Empty Tank.
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    through the placenta:
    Oxygen from mother ==> fetus

    then:
    fetus uses the O2 for ATP production/development

    once again through the placenta:
    CO2 from fetus ==> mother

    is this correct? does anything else go on here that I need to be aware of?

    thanks.
     
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  3. premyo2002

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    sounds good to me.. Just remember blood doesn't mix
     
  4. farley is god

    farley is god Empty Tank.
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  5. UCLAstudent

    UCLAstudent I'm a luck dragon!
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    Another useful tidbit: remember that at the fetal lungs, blood oxygenation actually DECREASES. It's somewhat counterintuitive... just remember that fetal lungs are not functional early on and the only purpose of blood passing through is to nourish the fetal lung tissue.
     
  6. jhk43

    jhk43 Senior Member
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    fetal hemoglobin binds to O2 more strongly.
     

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