An involuntary rhythmic (wave like) contraction occurs when food passes to the oesophagus is called as…

Q. An involuntary rhythmic (wave like) contraction occurs when food passes to the oesophagus is called as …

A.            Epiglottis

B.            Voluntary contraction

C.            Peristalsis

D.            Ptyalin

Answer: Peristalsis