• The stomach is an organ of digestion• It has a saclike shape and is located between the esophagus and the intestines
IT IS A MUSCULAR ORGAN LOCATED ONTHE LEFT SIDE OF THE UPPER ABDOMEN. Just below the esophagus.
SIZE COMPARISON• The stomach is about 12 inches (30.5 cm) long and • The stomach is about the size is 6 inches. (15.2 cm) wide of 2 adult fists. at its widest point
• 1. ) Food enters the stomach from the esophagus • 2. ) The connection between the stomach and the esophagus is called the cardiac sphincter. The cardiac sphincter prevents food from passing back to the esophagus. • 3. ) Once the food enters the stomach, gastric juices are used to break down the food.
1) The inner lining (mucosa) consists of millions of microscopic glands which secrete gastric juices.2) Beneath this is a supporting layer (submucosa)3) Beneath this is the muscle layer. This is responsible for stomach contractions and emptying.4) Finally there is a thin outer covering known as the serosa.
• When we swallow our food, we also swallow air. The best way to get rid of this air is to burp.• Moths don’t have stomachs.• A starfish can turn its stomach inside out.• A frog can throw up its stomach and clean it with its legs.• The stomach can easily stretch to hold 1 quart of food.• People can, and have lived without a stomach if it has been removed because of disease!