NEET BIOLOGY

Detailed explanation-1: -The inner surface of the stomach is lined by a mucous membrane known as the gastric mucosa . The mucosa is always covered by a layer of thick mucus that is secreted by tall columnar epithelial cells.

Detailed explanation-2: -Special cells (parietal cells) in the glands of the inner lining of the stomach secrete powerful hydrochloric acid that help break down food in the stomach.

Detailed explanation-3: -A layer of mucus along the inner walls of the stomach is vital to protect the cell linings of that organ from the highly acidic environment within it.

Detailed explanation-4: -The gastric mucosa is a layer of mucous membrane found in the stomach. This lining is found on the inner surface of the stomach, along with the glands and gastric pits. It is always covered in a layer of thick mucus secreted by columnar epithelial and glandular cells.

Detailed explanation-5: -The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins.