Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold about 65 per cent of the body's blood and have one-way valves tohelp blood move.

Very low blood pressure. The structure of the blood vessels can be easily compared when they are seen in this cross-section (not to scale).

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 ...

the lymphatic system. Considerable adaptability built into vertebrate circulatory systems: Considerable variation in blood vessels, as seen in shark Due to developmental origin of blood vessels: many ...

Locate the rest of the vessels listed in Table 1 and shown in Figure 5.3. Functional anatomy of circulatory and respiratory system is important. Think carefully about relation between circulation and ...

Previously, researchers studied the effects of snake venom on blood vessels by using cultured endothelial cells, the cells that make up the wall of vessels. However, these so-called static models fail ...

Good health starts with good circulation as your circulatory system keeps blood flowing smoothly. This flow delivers oxygen ...

Now scientists are gaining ground in tissue engineering that could help a host of people who deal with circulatory-system ...