There are around 10.5 pints of blood in the average human adult body, but this can vary based on factors such as a person’s age and size. It accounts for around 7–8% of an adult’s body weight.

Now, scientists say the woman is the only known carrier of a new blood type called “Gwada negative.” It’s the only blood type ...

It turns out there's enough blood in the human body to fill a bit more than a 1-gallon milk jug. The average adult has about 1.2 to 1.5 gallons (4.5 to 5.5 liters) ...

In turn, they said, this would reduce the risk of implants being rejected by the body, and curb reliance on anti-blood-clotting drugs, which can cause bleeding and stomach problems.