What is the digestive system?

The digestive system is a series of hollow organs joined in a long , twisting tube from the mouth to the anus. It digests all the food in your body and eliminates all of the useless things in your body. Inside of this long tube is a lining called the mucosa. The mucosa obtains tiny glands that produce juices to help digest food.

 

There are two solid organs that produce digestive juices that reach the intestine through small tubes. These organs are called the liver and the pancreas. They play a major role in the digestive system.

What is the process digestion?

Is the digestive system important? Yes, the digestive system is very important. When we eat foods like bread, meat, and vegetables, they aren't in the form that the body can use for nourishment. Our food must be changed into smaller molecules of the nutrients before they can be absorbed into the blood and carried to cells throughout the body. Digestion is a process by which food and drinks are broken down into their smallest parts so that the body can use nourishing cells and to provide energy. The organs involved in digestion are the mouth, esophagus, stomach, small intestine, pancreas, liver, small intestine, and gall bladder.

How does the digestive system work?

How is food digested? Food is digested in steps. When you put food into your mouth you chew and swallow. When you put food in your mouth it gets smaller and smaller and goes down in your esophagus, a long tube that goes down into your stomach. The food then enters the stomach. The food has three mechanical tasks to do. It is just like my morning routine when I come to school each day. I unpack , turn in homework, read silently, and then listen to the morning announcements. However, digestion isn't as simple as it seems. It follows a routine but it's a bit longer. First, the stomach gets the swallowed food and liquid. The second job of the stomach is to mix up the food and liquid with the digestive juices produced by the stomach. The digestive juices are acidic. This acid helps to break down the food so the body can digest it properly. The third part is for the food to come out of the stomach and go into your small intestine. The walls of the small intestine are filled with little hairs or fingers that stick out called villi. The villi take the nutrients from the food into the entire body. After it leaves the small intestine, it travels into the large intestine. The only stuff that's left over when it goes into the large intestine is waste. The body gets rid of the waste. Each time you eat or drink something, the digestive process starts all over again. This is how the digestive system works.