explain the structure of stomach and write about the three secretions released by its walls.
Answers
Answer:
The stomach is a muscular, hollow organ in the gastrointestinal tract of humans and many other animals, including several invertebrates. The stomach has a dilated structure and functions as a vital digestive organ. In the digestive system the stomach is involved in the second phase of digestion, following chewing. It performs a chemical breakdown due to enzymes and hydrochloric acid.
stomach secretes water, electrolytes, hydrochloric acid, and glycoproteins, including mucin, intrinsic factor, and enzymes
Answer:
Please see the answer below-
Explanation:
The stomach is a hollow, muscular J-shaped organ that plays an important role in the digestive system in digesting the food. When the food enters the stomach, three secretions are released by the inner walls of the stomach- mucus, hydrochloric acid and digestive juices. The hydrochloric acid kills the harmful microorganisms that enter along with the food. The mucus protects the inner walls of the stomach from the strong effect of the hydrochloric acid. The digestive juice break the complex substances of food into simpler substances i.e. digest food.
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