What is the term for the rhythmic involuntary contraction and relaxation of smooth muscle in tubular visceral organs?

Type: MCQ • Marks: 1

A. Peristalsis

B. Osmosis

C. Transpiration

D. Conduction

Explanation

Peristalsis propels food and fluids through digestive and urinary tracts via smooth muscle action.

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Class 9th Science (MCQ)

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