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 ...

Lymphocytes are white blood cells that help the body fight infection ... Lymphocyte levels may return to healthy levels on their own or following treatment. Doctors will first identify the ...

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 ...

Types of blood cell and cell fragments: red blood cells white blood cells platelets This table explains the functions of various blood components. \(\textup{haemoglobin}+\textup{oxygen} ...