Much like an elastic bag, the stomach will provide a place for varied amounts of swallowed food to rest and digest in. The wall of the stomach is made of the same four layers as most of the rest of the alimentary canal, but with adaptations to the mucosa and muscularis for the unique functions of this organ. The stomach is a muscular, sac-like organ in the upper abdomen. The primary function of the stomach is to collect and break down food. The intestinal absorption of vitamin B 12, which is necessary for both the production of mature red blood cells and normal neurological functioning, cannot occur … The dilated body region, called the body (corpus), which is the main part of the stomach, lies between the fundus and pylorus. Read about the human digestive system and its functions and organs. The stomach and intestines, like ours, digest food--from insects to fish, or even other frogs. The fundus, which balloons superior to the cardia, is a temporary storage area.It is usually filled with air that enters the stomach when you swallow. Human Digestive system includes Gastrointestinal Tract and other accessory parts like the liver, intestines, glands, mouth, stomach, gallbladder. There are differences in the distribution of these cell types among regions of the stomach—for example, parietal cells are abundant in the glands of the body, but virtually absent in pyloric glands. These organs perform the same functions for the frog as they do in human bodies: The heart pumps blood throughout the body, and the lungs aid in breathing. There are four main regions in the stomach: the cardia, fundus, body, and pylorus (Figure 23.4.1). The stomach secretes gastric juice, which digests food like meat, eggs, and milk. Cattle have ruminant stomachs -- stomach with four separate compartments. What is the function of the digestive system? In addition to the typical circular and longitudinal smooth muscle layers, the muscularis has an inner oblique smooth muscle layer ( Figure 23.4.2 ). Stomach: The stomach is a sac-like structure and happens to be the most dilated part of the digestive system. The mouth, stomach, intestines, gallbladder, pancreas and more play important roles in digesting food and eliminating waste. The main parts of the digestive system are oral or buccal cavity, esophagus, stomach, small intestine (duodenum, jejunum and ileum), large intestine (ascending colon, transverse colon, descending colon, caecum and rectum). The micrograph above shows a gastric pit invaginating into the mucosa (fundic region of a raccoon stomach). Stomach: The stomach is a sac-like structure and happens to be the most dilated part of the digestive system.The primary function of the stomach is to collect and break down food. The liver has multiple functions, but two of its main functions within the digestive system are to make and secrete an important substance called bile and to process the blood coming from the small intestine containing the nutrients just absorbed. • is an organ between the esophagus and the small intestine lying crosswise in the abdominal cavity beneath the diaphragm • Is a muscular, elastic, pear- shaped bag measuring 12 inches long and 6 inches wide (at its widest point) • Has the capacity to store 1qt or .94 liters in an adult Names of the 4 Parts of a Cow's Stomach By Whitney Lowell. The stomach secretes gastric juice, which digests food like meat, eggs, and milk. Read about the human digestive system and its functions and organs. Learn about the anatomy and physiology of the stomach. The digestive system of man is composed of long coiled tube. The mouth, stomach, intestines, gallbladder, pancreas and more play important roles in digesting food and eliminating waste. Learn more from WebMD about the anatomy of the stomach, along with illnesses that affect the stomach and tests to diagnose stomach problems. The stomach is able to secrete enzymes and acid from its cells, which enables it to perform its digestive functions. These enzymes break down protein, fats, and carbohydrates. The stomach is not the only part of your digestive system that absorbs food but rather is a part of the digestive system and important for churning food into a consistency that is easier to digest for the rest of your intestines. A Part of Digestive System- The Stomach: parts,functions,condition and diseases 1. The stomach is located in the upper-left area of the abdomen below the liver and next to the spleen. This J-shaped pouch stores food, churns it, breaks it down both mechanically and chemically, kills microbes, secretes hormones and mucus, and also absorbs nutrients. Stomach ulcers are breaks in the lining of the stomach, caused by certain medications and too much acid in the stomach. An expansion of the alimentary canal that lies immediately inferior to the esophagus, the stomach links the esophagus to the first part of the small intestine (the duodenum) and is relatively fixed in place at its esophageal and duodenal ends. The stomach will also introduce our swallowed food to essential acids. Its main function is to store and break down … The stomach’s roles can essentially be distilled down to three functions. Frogs possess a liver, heart, lungs, stomach, gall bladder and intestines. Parts of the Stomach. 4 Parts of Stomach, 13 Functions, 23 Interesting Facts The widest and most distensible part of your digestive system , called stomach, does a lot more than just digesting the food.