Question

5. What substance does the stomach secrete that helps in the digestion of proteins?
a.acid
C. vitamins
b. salivary amylase
d. water
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Answer 1

Answer:

a)acid guys

because the stomach contains hcl(hydrochloric acid) but it does not harm us because the walls of our stomach releases the substance called mucus

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Answer 2

The substance in the stomach secrete that helps in the digestion of proteins is acid. (Option a is absolutely correct)

• The internal coating of the stomach in the human body secretes mucous, hydrochloric acid and other digestive juices required for the digestion of food.
• In the stomach, the acid kills numerous microorganisms that enter along with food and aids digestion by making the stomach environment more acidic so that proteins are more easily digested.
• Pepsin is a stomach catalyst that effectively processes proteins tracked down in ingested food.
• Gastric cells emit pepsin as an inert zymogen enzyme called pepsinogen.
• Parietal cells inside the lining of the stomach release hydrochloric acid that cuts down the pH of the stomach.
• A low pH (1.5 to 2) initiates pepsin.

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