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Your Stomach Breaks Down the Food You Eat · My Body and Its Parts · stomach · digestion

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Your Stomach Breaks Down the Food You Eat

with Medi

Medi stands inside a cozy kitchen, holding a shiny apple and pointing to a big friendly diagram on the wall that shows food traveling from the mouth, down the esophagus tube, and into the stomach, smiling as she traces each step with her finger.

Identify the stomach as the body part that holds and breaks down food after swallowing.
Explain that the stomach squeezes food and uses special juices to break it into tiny pieces.
Describe the path food takes from the mouth, through the esophagus, and into the stomach.
Compare what food looks like before and after the stomach works on it.

Key terms

stomach: A stretchy bag in your belly that breaks down food.
esophagus: The tube that carries swallowed food down to your stomach.
stomach juices: Special liquids that help break food into tiny pieces.
digestion: The work of breaking food down so the body can use it.

Food's Journey to the Stomach

After you chew a bite of food and swallow, it does not jump straight into your stomach. First it slides down a tube called the esophagus, which connects your mouth to your stomach. Muscles in the tube squeeze the food along until it lands in your stomach, ready to be broken down further inside your belly.

A Stretchy Mixing Bag

Your stomach is a stretchy bag inside your belly. When it is empty it is small and flat, but it can stretch much bigger after a meal. Inside, the stomach squeezes and squishes the food like a washing machine and adds special juices. Together the squeezing and the juices break a lumpy bite into soft, tiny mush.

Why Break Food Down

Your body cannot pull energy and nutrients out of a big lump of food. By breaking food into tiny pieces, the stomach gets it ready so the next part of your body, the small intestine, can take out the good stuff and pass it into your blood. So the stomach is a helper that prepares food for the rest of digestion.

Worked examples

Trace where an apple bite goes after you swallow.

You chew the apple in your mouth and swallow it.
It travels down the esophagus tube.
It lands in your stomach, where it is squeezed and broken down.

Answer: Mouth, then esophagus, then stomach.

Explain why food must be broken into tiny pieces.

A big lump of food cannot pass into the blood.
Breaking it small lets the body take out energy and nutrients.
So breaking food down is what makes its good stuff usable.

Answer: So the body can take the energy and nutrients out of the food.

Hi! I am Medi, and today we are going to learn about your stomach! When you take a bite of an apple and chew it up, you swallow it. After you swallow, the food travels down a tube called the esophagus — say it with me: ih-SOF-uh-gus. That tube carries the food from your mouth all the way down to your stomach. Your stomach is a stretchy bag inside your belly. When it is empty, it is quite small and sort of flat. But it can stretch out and get much bigger after you eat a meal! Inside your stomach, something amazing happens. Your stomach squeezes and squishes the food — like a washing machine for food! It also makes special juices that help break the food into tiny, tiny pieces. When food first arrives in your stomach, it is still a big lumpy bite. After your stomach is done working on it, the food is soft and tiny — almost like mush. That change is very important! Why does your body do all that? Because your body needs the good stuff inside food — like energy to run and play — and it can only get that good stuff when the food is broken into very small pieces. So your stomach is like a helper that gets food ready for the rest of your body to use. Pretty cool, right?

Activity

Help Medi put these steps in the correct order from first to last.

Practice

What is the name of the tube that carries food to your stomach?

Why does your stomach break food into tiny pieces instead of leaving it whole?

Common mistakes to avoid

Food stays the same in the stomach.The stomach squeezes and adds juices, changing a lumpy bite into soft, tiny mush.
The stomach breaks food to make more room.The stomach breaks food so the body can take out its energy and nutrients, not for space.

Check your understanding

After food travels down the tube called the esophagus, where does it land?

What does your stomach do to the food inside it?

Why does your body need to break food into tiny pieces?

Recap

After you swallow, food slides down the esophagus into your stomach, a stretchy bag that squeezes food and adds special juices. It turns a lumpy bite into tiny mush so your body can take out the energy and nutrients it needs.

Reflect

Why do you think your stomach can stretch bigger after a large meal and shrink when empty?