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12 Surprising Facts About Blood You Should Know

Updated on 10 July, 2016 at 12:17 pm By

Considering the close relation of humans with blood, here we brought you some astonishing facts about the most important body fluid, blood.



1. A new born baby has about one cup of blood in the body while an adult has roughly five liters of blood in the body.


2. In Japan, blood type is closely related to personality traits.

In fact, children at schools are split up according to their blood type, and companies also give work assignments to their employees according to their blood type.


3. It would take 1,200,000 mosquitoes to drain the average amount of blood from a human body.

It is believed that mosquitoes prefer blood type O.


4. Our body contains 0.2 milligrams of gold; most of it is found in our blood.



5. James Harrison, who is also known as ‘Man with The Golden Arm’, has been donating blood for the last sixty years.

Due to unusual plasma composition, Harrison has donated blood 1,000 times and saved 2 million unborn babies with Rhesus diseases.


6. It is believed that only the female mosquito drinks blood and can drink up to three times of its weight.

In contrast, male mosquitoes are not bloodsuckers; they only drink sugary fluids.


7. It was a tradition in Ireland that if you donate one pint of blood, you would get a pint of Guinness.

However, this tradition was stopped by Guinness’s parent company Diageo.


8. Coconut water, often known as a recovery drink, can be used as a substitute for blood plasma in emergency cases.

Because of its identical properties to that of human plasma, it is believed to be one and only alternative to blood plasma.


9. Blood accounts for 7% of the human body weight and there are 150 billion red blood cells in one ounce of blood.


10. Bororo, an indigenous group of people from Brazil, is one rare sect where everyone has the same blood type which is O, like most native Americans.


11. It was discovered that cows have more than 800 blood types and cats have 11, whereas dogs have 4 blood types.


12. While all mammals and animals have red blood, snails, spiders and lobsters have pale blue color blood which is primarily due to presence of Hemocyanin, which contains copper in it.



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