(PhysOrg.com) -- Large or small, machine parts only move when controlled by an external impulse. Biological systems, on the other hand, are capable of autonomous movements that continuously follow ...

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Prokinetic is a term that means to promote movement. Some conditions that affect the muscles and nerves of your gastrointestinal (GI) tract can cause you to have dysmotility. Dysmotility is when your ...

Q. My doctor says my constipation results from "weak peristalsis." What is this, and what can make it better? A. Peristalsis is a distinctive pattern of synchronized muscle contractions that push food ...

Their tiny size makes life extremely difficult for swimming microorganisms. As their movement has virtually no momentum, the friction between the water and their outer skin slows them down ...

(Nanowerk News) If you've ever eaten food while upside down - and who hasn't indulged this chimpanzee daydream? - you can thank the successive wave-like motions of peristalsis for keeping the chewed ...