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 ...

South Korea and China faced a two-hour standoff last month after Chinese authorities blocked Seoul's attempt to investigate a ...

P.J. Answer: An MRI is a much more sensitive test than a CT scan for looking at the brain structure and its blood vessels. The back part of the brain, called the posterior fossa, contains the ...

Last month’s confrontation between coastguards began when Chinese vessels blocked South Korean inspection of an object off Jeju Island, reports say.

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 ...