Peristalsis is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract. The process of peristalsis begins in the esophagus when a bolus of food is swallowed. The strong wave-like motions of the smooth muscle in the esophagus carry the food to the stomach, where it is churned into a liquid mixture called chyme.
Exercise, therapy, or get a new hobby to distract you
The answer is true because participating in physical activities can improve health-related fitness
A surgeon who has a positive attitude that motivates her assistant.
