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Anonymous
Anonymous asked in HealthDiet & Fitness · 2 weeks ago

do you burn calories when donating blood?

how?

11 Answers

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  • ?
    Lv 5
    2 weeks ago

    Not so's you'd notice unless you count the eyeblink crunches I did.

  • 2 weeks ago

    Your body burns calories every second that you're alive, in order to keep you alive. So, technically yes. Not from having blood taken from your body, but from the body having to reallocate resources towards fixing the broken skin from the puncture wound, having to get your marrow to create more blood and move it into your main blood vessels, having to pump your heart faster/ more powerfully until this happens because you've lowered your BP by removing liquid quantity from your blood vessels.

    etc

  • Anonymous
    2 weeks ago

    in a word, no..........................

  • Anonymous
    2 weeks ago

    No, you do however decrease the impurities in your blood stream. For instance, cholesterol.

  • 2 weeks ago

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  • Andy C
    Lv 7
    2 weeks ago

    Yes.  Lots.   In fact,  homeostasis is the biggest user of energy. 

  • 2 weeks ago

    You burn calories sitting still.  It takes calories for you to breathe, and your heart to pump.  Your body is burning calories 24/7.

  • edward
    Lv 7
    2 weeks ago

    You burn calories by breathing

  • 2 weeks ago

    Significantly , no.  You make red cells all the time and loss of 1 unit of blood is really minor to the body red cell production is not sped up. The fluid is replaced from stores in hours. 

    Source(s): PA
  • 2 weeks ago

    You burn calories just breathing but your body works to replace the blood cells donated so burns even more.

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