Blood and blood vessels
Blood carries oxygen and nutrients to the cells of our body and helps us fight infection. Veins, arteries and capillaries are blood vessels that combine with the heart to make up the circulatory system.
Browse by topic
Topic: Introduction to blood and blood vessels
The heart, blood and blood vessels work together to service the cells of the body.
The full blood count (FBC) test looks for abnormalities in the blood, such as unusually high or low numbers of blood cells.
A person's blood group is determined by a pair of genes, one each inherited from their mother and father.