Topic – Your Digestive System

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Read the Following Selection

Read about your digestive system, or click on the play button below to listen aloud.

Your Digestive System

Oxygen is an important fuel for your body, and so is food. Food gives your body’s cells energy to breathe, move, and do many other things. Food also provides your body with proteins, vitamins, and minerals.

Take a Bite

Digestion starts when you take a bite of food. The food is ground up by your teeth and wetted with saliva. Then your tongue pushes it back to your esophagus which squeezes it down to your stomach.

Down in the Stomach

Your stomach is a big bag-like organ where the food gets broken down. The muscles in your stomach squeeze the food. Your stomach’s digestive juices dissolve the food.

Your Two Intestines

From your stomach, the food moves into a crooked tube called the small intestine. The food mixes with digestive juices from your liver, pancreas, and gall bladder. Nutrients are then extracted from the food. Anything left over moves down into the large intestine or colon. There, water is soaked up and the waste is formed into lumps.

Taking Out the Garbage

The leftover waste then moves into your excretory system. Extra water, or urine, goes into the bladder. It is stored there until use to the toilet. Solid waste leaves your body through a tube called the rectum.

Now, show what you know!

Complete some questions about the reading selection by clicking “Begin Questions” below.