At the second surface AC, the light ray exits from glass to air, bending away from the normal. This is in contrast to the first surface where the bending was towards the normal.
Category: Class 10 Science
NCERT Solutions for Class 10 Science and important questions for CBSE class 10 for session 2020-2021
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Hydrochloric acid creates an acidic environment facilitating pepsin action. Mucus protects the stomach lining by forming a barrier against the corrosive effects of the acid. This information is related to complaints about ‘acidity’ in adults.
Gastric glands in the stomach release hydrochloric acid, the protein-digesting enzyme pepsin, and mucus. These substances contribute to the breakdown of food and protect the stomach lining.
Peristaltic movements are vital for the regulated movement of food along the digestive tube. Digestion in the stomach begins after the food is transported from the mouth through the food-pipe or esophagus.
The mouth “waters” when we eat something pleasant because it secretes saliva, a fluid that aids in the digestion and processing of food in the mouth.