Answer :
Final answer:
Gastric juice contains hydrochloric acid and pepsin, playing important roles in the digestive process.
Explanation:
Substances contained in gastric juice: Gastric juice contains hydrochloric acid (HCl) and digestive enzymes like pepsin. Functions: HCl helps create an acidic environment for digestion and activates pepsinogen to pepsin, aiding in protein breakdown.
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