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Answer:
they both have feet but like humans
Answer:
Motion
Explanation:
Kinetic particles are always in motion, that should just be the fundamental law of kinetic energy
In much of a digestive tract such as the human gastrointestinal tract, smooth muscle tissue contracts in sequence to produce a peristaltic wave, which propels a ball of food (called a bolus while in the esophagus and upper gastrointestinal tract and chyme in the stomach) along the tract.