The circulatory system includes the heart and blood vessels that carry blood and oxygen around the body. Some circulatory diseases, such as stroke, heart attacks, and aneurysms, are life ...

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.

A sedentary lifestyle can cause an impairment of the transport of blood around the body, which increases the risk of disease in the heart and blood vessels. New research suggests that performing ...