When it comes to digestion, chewing is only half the battle. As food travels from your mouth into your digestive system, it’s broken down by digestive enzymes that turn it into smaller nutrients ...

The body moves food through the digestive tract in two different ways: Peristalsis and segmentation. During peristalsis, the longitudinal muscles that run down the outside of the digestive tract ...

Controlling gene expression to turn on and off at specific times is no simple feat. Segmentation is the term applied to the differentiation patterns of vertebrates and arthropods, in which serial ...