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The digestive system in pigs, lampreys, and sharks consists of the mouth, esophagus, stomach, small intestine, cecum (in pigs), large intestine, and rectum. These organs work together to break down food, extract nutrients, and eliminate waste. In pigs, the digestive system is adapted for an omnivorous diet, with a single-chambered stomach, a short small intestine, and a cecum for fermenting plant material. Lampreys have a simple digestive system adapted for a parasitic lifestyle, with a short esophagus, small stomach, and long intestine for absorbing nutrients from fluid. Sharks have a specialized digestive system for a predatory lifestyle, with a short esophagus, large stomach, and with a short esophagus, large stomach, and short small intestine for quickly breaking down and absorbing nutrients from meat. The digestive systems in each animal are tailored to their specific dietary needs and play a crucial role in their overall health and survival.
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