Q193. What does the word 'peristalsis' refer to in this passage?English — Comprehensions — Question 193 of 660A. The grinding action of teethB. Wave-like muscle contractions that push food through the digestive systemC. The mixing of food with stomach acidsD. The absorption of nutrients in the intestinePractice more English MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →