ANATOMY

Detailed explanation-1: -The amount of blood circulating within an individual depends on their size and weight, but the average human adult has nearly 5 liters of circulating blood. Women tend to have a lower blood volume than men. However, a woman’s blood volume increases by roughly 50% during pregnancy.

Detailed explanation-2: -adult will have approximately 1.2-1.5 gallons (or 10 units) of blood in their body. Blood is approximately 10% of an adult’s weight.

Detailed explanation-3: -An average adult has just under 5 litres of blood circulating around their body. Blood is made up of the following four major components: Red blood cells – their main role is to transport oxygen. White blood cells – the cells of the immune system which defend the body against infections.

Detailed explanation-4: -My Results Page 2 2 Explanation The average adult has between 4.5 and 5.5 liters of blood, or 1.2 to 1.5 gallons, in his or her body. As we get bigger, the amount of blood in our bodies increases as well.