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  • -I love apple -Even I love apple

  • Do you know what happens.. to this food inside the body ?

  • No

  • Let's get in to the body with the apple and see what happens to it

  • Wow! we have become so small

  • We're so small that we can enter the whole body !

  • So the level starts from mouth

  • Oh! teeth are making it in to small pieces

  • and also grinding it

  • Yes,saliva gets added here to the food !

  • Food becomes a thin paste

  • Which way to go now ?

  • Now there are two ways

  • One goes to the food pipe

  • and other goes to the wind pipe

  • We're going to the food pipe

  • There's a valve called pharynx

  • This food pipe is also called esophagus

  • Oh! now we're entering the stomach

  • Get ready! there is a lot of liquid here

  • What's this liquid ?

  • Oh! these are gastric juices

  • They make the food merge

  • is it a kind of boiling ?

  • Yes this is also called chyme

  • It is small intestine

  • Oh! but food is just travelling

  • Where would the body take nutrients from the food?

  • Right question at the right time

  • Most of digestion happens in small intestine

  • Most of the nutrients are absorbed by body here

  • What is this green liquid ?

  • Oh! this is bile

  • It is produced in liver and pancreas

  • It helps in digestion

  • This liquid comes from small intestine

  • and helps to take nutrients from food

  • Alright

  • What are these ?

  • These are called are villi

  • Nutrients enter the blood from these villi

  • Oh! it is a long journey !

  • Yes it is 22 feet long

  • Now we are entering large intestine

  • Is it bigger than small intestine ?

  • No,small intestine is bigger in length

  • But large intestine is bigger in width

  • Oh! small intestine is narrow

  • That's why it is called small intestine

  • Yes ,here the water from the food is absorbed

  • Oh! I want to go back !

  • Now this is becoming very thick

  • Yes ,let's go back

  • Now it is food waste

  • Which body does not need

  • It would go out of the body through anus

  • Here you can see the whole digestive system

  • Now you know the whole journey of food

  • Wow! it is a long journey

  • It starts from mouth

  • Goes to esophagus

  • which is food pipe

  • From there it goes to stomach

  • Then it enters small intestine

  • And from small intestine it enters large intestine

  • And from there it comes out of body through anus

  • Let's see an experiment on what happens inside the stomach

  • Oh! what is this ?

  • Let me show you how gastric juices in stomach ruin the food we eat

  • Why are you cutting the apple ?

  • Because food goes in to our stomach in small pieces

  • What is the liquid in this jar ?

  • Oh! it is acid so I can not stomach

  • So acid would burn all the food and give us energy

  • Yes acid in stomach burns all the food

  • or we can we say that it cooks all the food to get nutrients

  • Ya it is taking time

  • Yes stomach takes 6-7 hours to burn all the food

  • I want to show you the difference between small and large intestine

  • Oh! these look like intestines

  • Look at this .This is very very long

  • But its mouth is small

  • It is called small intestine

  • Yes ,it is 25 feet long

  • Yes,you are right !

  • Oh! this with big mouth is called large intestine

  • It is only 5 feet long

  • Yes it is small in length but bigger in mouth size

  • That's why it is called large intestine

  • What are you doing ?

  • Oh! I would water some plants with small intestine

-I love apple -Even I love apple

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B1 US intestine small intestine small large intestine stomach body

Digestive System Human Body for Kids How Body Works makemegenius com

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    amytsai posted on 2015/06/27
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