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.
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 ...
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 ...
Known as varicose veins, these blood vessels, which return blood from ... "We now use duplex ultrasound to look at the circulatory system of the leg," Weiss says. This means taking a sharp ...