The volume of blood in our bodies depends on a person’s body weight and their gender ... Blood serves many life-giving functions. It is composed of platelets which control clotting to stop ...

Red blood cells (erythrocytes) are one of three main components in your blood ... more about these important blood cells, including their functions in the body, the health conditions related ...

All blood vessels are specifically structured to perform their function. For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope ...

Here are the 10 most important blood tests everyone should get regularly to monitor their health. The Complete Blood Count (CBC) test measures the levels of different components of blood ...

Plasma is a straw-coloured liquid that makes up just over half the volume of blood. This table explains the functions of various blood components.