Zunaira salehabout 8 hours ago
Peristalsis
The basic propulsive movement of the gastrointestinal tract is peristalsis. A contractile ring appears around the gut and then moves forward; this mechanism is analogous to putting one’s f ingers around a thin distended tube, then constricting the fingers and sliding them forward along the tube
Other commentsSign in to post comments. You don't have an account? Sign up now!