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 ...

However, understanding the basics of thyroid structure and function can help alleviate these ... menstrual irregularities and low mood. A simple blood test can diagnose hypothyroidism, and ...