Muscle cells in the stomach wall contract and relax to churn food. This mixing process helps digestive juices break food down efficiently before it moves to the small intestine.
Class 8 Science Grade 8 Chapter 2 The Invisible Living World: Beyond Our Naked Eye question answer
Class 8 NCERT Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye solutions
Muscle cells in the stomach wall create strong, rhythmic contractions that mix ingested food with digestive enzymes and acids. This mechanical digestion breaks down food particles and enhances enzyme action. The churning action ensures the food is fully processed before entering the intestines for nutrient absorption. Without these muscle movements, digestion would be incomplete and inefficient.
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