Question 6
The inner lining of the stomach is protected by one of the following from hydrochloric acid. Choose the correct one.
(a) Pepsin
(b) Mucus
(c) Salivary amylase
(d) Bile
(b) Mucus
The mucus protects the inner lining of the stomach from the action of the acid under normal conditions. Mucus cells are found throughout the stomach lining. The gastric pits secrete mucus to protect the stomach from its own digestive secretions.