You & Your Extraordinary Blood - Sources
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FactSource URL
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Step 1
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The average full-term baby weight in developed countries is 7.5lbshttps://aptparenting.com/average-birth-weight
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The average full-term baby has about 75 milliliters (mL) of blood per kilogram of their body weight. If a baby weighs about 8 pounds, they’ll have about 270 mL of blood in their body, or 0.07 gallons.
https://www.healthline.com/health/how-much-blood-in-human-body
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Therefore, assuming the user started their life as an average baby weighing 7.5lbs, the amount of blood in their body at the start of their life would be 261.9495 mL, or 0.523899 pints.
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Breastfed babies take in an average of 25 oz (750 mL) per day between the ages of 1 month and 6 months.https://kellymom.com/bf/pumpingmoms/pumping/milkcalc/
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The most-used drink can size across the world is 330mL to 355mL.https://en.wikipedia.org/wiki/Drink_can
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Step 2
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1 UK pint = 568mlhttps://www.metric-conversions.org/volume/uk-pints-to-milliliters.htm
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The amount of blood in the human body is generally equivalent to 7 percent of body weight. https://www.healthline.com/health/how-much-blood-in-human-body
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2.4 trillion red blood cells in one pint of bloodhttp://www.cbco.org/blood-fun-facts/
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Normal WBC count is 5,000-10,000/microlitrehttps://my.clevelandclinic.org/health/diagnostics/16789-blood-count
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Normal human blood contains 4000 - 10,000 leukocytes/microlitrehttp://bme.virginia.edu/ley/leukocytes.html
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~5,000,000,000 RBCs in 1 mL =
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Step 4
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A full blood donation is 470mlhttps://www.blood.co.uk/the-donation-process/what-happens-on-the-day/
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Coffee cup sizeshttps://www.eater.com/2011/1/17/6701687/starbucks-to-launch-a-31-oz-big-gulp-of-coffee-the-trenta
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Step 5 & 6
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2 million red blood cells replenished per secondhttps://www.blood.co.uk/the-donation-process/after-your-donation/how-your-body-replaces-blood/
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Plasma replenished in 24 hourshttps://www.redcrossblood.org/faq.html
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120 day red blood cell lifespanhttps://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentID=34&ContentTypeID=160
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6 weeks to replenish red blood cellshttps://www.redcrossblood.org/faq.html
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Step 7]
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Men can give every 12 weeks, women every 16https://www.blood.co.uk/who-can-give-blood/
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Where donated blood goeshttps://www.blood.co.uk/why-give-blood/how-blood-is-used/
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1 donation can save 3 lives
https://www.redcrossblood.org/donate-blood/how-to-donate/how-blood-donations-help/blood-needs-blood-supply.html
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One unit = 1 donationhttps://www.blood.co.uk/why-give-blood/how-blood-is-used/
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Annual worldwide blood donation figurehttp://www.who.int/features/factfiles/blood_transfusion/en/
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