Answer:
The oesophagus does not produce digestive enzymes, but it does secrete large amounts of mucus that act as a lubricant, ensuring the smooth transit of the food bolus.
The large intestine produces no digestive enzymes. Chemical digestion is completed in the small intestine before the chyme reaches the large intestine. Functions of the large intestine include the absorption of water and electrolytes and the elimination of feces.
Explanation:
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