For a person to die they have to loose 6 litres of blood.
To restore blood to a person who has lost too much
It would be very unusual for leeches to kill people, however, they do suck blood, and a person can die from blood loss. In order to lose that much blood, a person would have to be unconscious will leeches are feasting at will.
The average person holds about 10 pints of blood.
There should be no blood loss. On rare occasions a guy who is a little too enthusiastic may see a small discharge of blood, but if this happens often the a visit to the doctor is an absolute must.
5 units
It depends on how much blood was lost. Up to 15% blood loss can be treated by drinking 3 times as much as was lost. Between 15% and 30%, liquids should be given by IV Between 30% and 40%, liquids by IV or blood transfusion Over 40% - blood transfusion
That's 16.9 oz
65%
Being declared legally dead does not depend on the quantity of blood lost.
We do not know exactly how much blood Jesus lost beforehe was crucified, but since he had been flogged repeatedly and was bleeding from his head from the crown of thorns, it would have been a considerable amount. After he was crucified, however, he lost all of his blood.
19 to 80
A fractured humorous can bleed out up to 800mL