Q. Wave like movement of food through esophagus is called :

A
Hypistalsis
B
Peristalsis
C
Chymostalis
D
None of these
Solution:

Peristalsis is a radially symmetrical contraction and relaxation of muscles that propagates in a wave down a tube, in an anterograde direction. In much of a digestive tract such as the human gastrointestinal tract, smooth muscle tissue contracts in sequence to produce a peristaltic wave, which propels a ball of food.

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