There are four components - or parts - of the blood: red blood cells, white blood cells, plasma and platelets. Blood carries things you need, like oxygen and glucose, and waste products ...

An average man will have more, usually between 4.2 and 5.7 litres. Blood serves many life-giving functions. It is composed of platelets which control clotting to stop the body bleeding out ...

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 ...

Red blood cells (erythrocytes) are one of three main components in your blood ... including their functions in the body, the health conditions related to abnormal red blood cell counts, and ...

The Complete Blood Count (CBC) test measures the levels of different components of blood ... the risk of cardiovascular diseases. Liver function tests (LFTs) measure the levels of enzymes and ...

Some of the major components of your ... system and its ability to function. Frequent illnesses and chronic fatigue are some of the signs of a weakened system. Blood tests can help determine ...

Donating blood is a selfless act that many may not realise is crucial for a country’s healthcare system. Your blood is ...