Answer :
Final answer:
Gastric juice is the digestive juice that begins the process of breaking down food in the monogastric digestive system.
Explanation:
The digestive juice that begins the process of breaking down food in the monogastric digestive system is gastric juice.
Gastric juice is secreted by the cells lining the stomach and contains hydrochloric acid and pepsin, which help to break down proteins into smaller molecules.
This juice is responsible for the initial breakdown of food in the stomach before it moves on to the next stage of digestion.
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