The gastrointestinal (GI) tract has a central role in nutritional homeostasis, as location for food ingestion, digestion and absorption, with the gut endocrine system responding to and regulating ...

"The servomechanism on a rocket has higher requirements of speed and power, while the artificial heart demands more focus on safety and comfort as it is small and needs to be implanted," Xu said.

Nature - Pupil Unrest: An Example of Noise in a Biological Servomechanism. Spatially selective and quantum-statistics-limited light stimulus for retina biometrics and pupillometry ...