The layer of the gastrointestinal tract that contributes most to mechanical digestion of food is the

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The muscularis is a layer of muscle tissue that causes churning,peristalsis,and segmentation of food,which contribute to mechanical digestion.The mucosa is the inside layer that releases enzymes and digestive juices.The submucosa is a layer of connective tissue that contains blood vessels and nerves that regulate digestion.The serosa is the outermost layer of the gastrointestinal wall and connects to the peritoneum lining.

The Layer of the Gastrointestinal Tract That Contributes Most to Mechanical