The major resemblance between teeth and bones is what they're made of: hard tissue composed of minerals, such as calcium, ...

Inside our digestive system lives a complex community of microorganisms that form an ecosystem — the gut microbiome. This “mini-ecosystem” plays a vital role in maintaining overall health. These “good ...

The fundus is a dome-shaped part of the stomach that stores gas from digestion. It can also hold food if the stomach becomes full. The stomach is an important part of the digestive system. It stores ...