Researchers have created a new and promising kind of robot that mimics the natural motions of earthworms. Because of how the robot moves, they believe it could be useful in preventing the spread of ...

Peristalsis describes the involuntary wave of muscle contractions that happen naturally in your digestive tract. This automatic bodily function physically moves food and drink through your body ...

The subject swallows a mouthful of barium sulfate, which is then propelled down the esophagus and into the stomach by a peristaltic contraction wave.

Heart Rate Increase in rate of contraction of cardiac muscle - cardiac output increases Decrease in rate of contraction of cardiac muscle - cardiac output decreases Breathing Rate Smooth muscle of ...