Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of ...

Vesicles are small cellular containers. They perform a variety of functions, such as helping to transport materials that an organism needs to survive and recycle waste materials. There are several ...

Fiber can influence many aspects of health. From gut bacteria to weight loss, it is often considered a fundamental part of a healthy diet. Most people have a very basic understanding of fiber, and ...