MICROANATOMY

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: -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-3: -In a healthy adult, there is an average of 4.5-5.5 liters or 70-90 ml/kg of blood circulating at any given time. Most adults can tolerate losing up to 14% of their blood volume without physical symptoms or deviations in their vital signs.