All blood vessels are specifically structured to perform their function. For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope ...

All blood vessels are specifically structured to perform their function. For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope ...

Figure 1: Diagram of a transverse sectional view ... reduces blood flow to the distal portion of the vessel. If non-clotted blood is required, ∼20 μl of liquid anticoagulant should be added ...