For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure blood flow and the veins contain valves to prevent the ...

Actually, they aren't. People think they're blue because that's often how they appear in diagrams and illustrations. But that's just to set them apart from the bright red arteries. The veins on the ...

The vessels that feed the heart are called coronary arteries (shown in the diagram right) and they branch off from ... A healthy artery in your chest may be used, or veins from your leg can be taken ...

Figure 1: Diagram of a transverse sectional view of a rat tail showing the dorsal vein (DV), lateral veins (LV), and ventral artery (VA). If multiple blood samples are required in either one day ...

For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure blood flow and the veins contain valves to prevent the ...