Is the stomach an organ or a system?

Is the stomach an organ or a system?

The stomach is a muscular, J-shaped organ in the upper part of the abdomen. It is part of the digestive system, which extends from the mouth to the anus.

How does the stomach work as part of an organ system?

The stomach is a muscular hollow organ. It takes in food from the esophagus (gullet or food pipe), mixes it, breaks it down, and then passes it on to the small intestine in small portions. The entire digestive system is made up of one muscular tube extending from the mouth to the anus.

Where is your stomach?

upper abdomen
The stomach is a muscular organ located on the left side of the upper abdomen. The stomach receives food from the esophagus. As food reaches the end of the esophagus, it enters the stomach through a muscular valve called the lower esophageal sphincter.

Which side of the stomach is the liver located?

The liver is located in the upper right-hand portion of the abdominal cavity, beneath the diaphragm, and on top of the stomach, right kidney, and intestines. Shaped like a cone, the liver is a dark reddish-brown organ that weighs about 3 pounds.

What is inside the stomach?

The abdomen contains all the digestive organs, including the stomach, small and large intestines, pancreas, liver, and gallbladder. These organs are held together loosely by connecting tissues (mesentery) that allow them to expand and to slide against each other. The abdomen also contains the kidneys and spleen.

Where is the spleen?

The spleen is a fist-sized organ in the upper left side of your abdomen, next to your stomach and behind your left ribs. It’s an important part of your immune system, but you can survive without it.

Where is the pancreas?

The pancreas is a long, flat gland that sits tucked behind the stomach in the upper abdomen. The pancreas produces enzymes that help digestion and hormones that help regulate the way your body processes sugar (glucose).

What organ system does the stomach belong to?

The stomach is an organ of the digestive system. It is an expanded section of the digestive tube between the esophagus and small intestine. Its characteristic shape is well known.

What organ does the digestive system start at?

Your digestive tract is a long, twisting tube that starts at your mouth, and then involves your oesophagus, stomach, small intestine, large intestine and anus. Other organs that form part of the digestive system are the pancreas, liver and gallbladder.

Is the stomach considered to be an organ?

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.

What is the organ between the mouth and the stomach?

The esophagus is a tubular organ connecting the mouth to the stomach. The chewed and softened food passes through the esophagus after being swallowed. The smooth muscles of the esophagus undergo a series of wave like movements called peristalsis that push the food toward the stomach.