There are three types of blood vessel: arteries, veins and capillaries. The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all ...

They teamed up with Frank to proceed with generating a mouse model based on this ... early embryonic veins play a role in ...

The blood vessels are a bit like roads going around a city with deliveries, while the veins take away waste. Do you know how many roads there are in just one person? Well, if we could take them ...