ileocecal sphincter
backward movement of epiglotis
The ileocecal valve prevents the back flow of fecal material from the colon to the small intestine. The ileocecal valve is positioned at the far end of the small intestine.
An obstruction of the small intestine that prevents the free passage of material; sometimes caused by postoperative adhesions.
It's chemical structure that prevents movement of electrons.
An insulator
valves in the veins
ileocecal valve
heart valves
your skin of course!
The iliocecal valve is an involuntary smooth muscle sphincter located between the ileum (small intestine) and the secum (portion of large intestine). Its function is to prevent backflow or reflux into the ileum.
Heart valve.
a flap of tissue that prevants blood from flowing backward is