Stomach

The stomach is an important organ in the digestive system. It is located in the upper abdomen, below the ribs. The stomach has several important functions in the digestive process.

Function of the Stomach:

• Storage: The stomach stores food that has been swallowed and mixes it with stomach acids and enzymes to begin the process of digestion.
• Digestion: The stomach secretes gastric juices, including hydrochloric acid and pepsin, which help break down food into a semi-liquid mixture called chyme.
• Protection: The stomach lining secretes mucus to protect itself from the corrosive effects of stomach acids.

Structure of the Stomach:

The stomach is a muscular organ with an elastic wall that can expand to accommodate the food that enters it. It has an inner lining made up of folds called rugae, which allow the stomach to stretch and expand when it is full.

How the Stomach Works:

When food enters the stomach, muscles in the stomach wall churn and mix the food with digestive juices. The stomach gradually empties the partially digested food into the small intestine for further digestion and absorption.

Stomach Problems:

Various health issues can affect the stomach, including ulcers, gastritis, and acid reflux. It's important to maintain a healthy diet and lifestyle to keep the stomach functioning properly.

Conclusion:

The stomach plays a crucial role in the digestion and absorption of nutrients. Understanding its structure and function is essential for maintaining good digestive health.