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
A. Epiglottis
B. Voluntary contraction
C. Peristalsis
D. Ptyalin
Answer: Peristalsis
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