Multiple choice

The contractive movement of the indestine which helps in the digestion is known as ________.

  1. metabolism

  2. osmosis

  3. catabolism

  4. peristalsis

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Peristalsis is the wave-like muscular contractions of the digestive tract (especially intestines) that propel food contents forward. This rhythmic contraction and relaxation of smooth muscle is essential for digestion and absorption. Metabolism is all chemical reactions, osmosis is water movement, and catabolism is breakdown of complex molecules.

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