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Hello! Do you remember last day we started with the anatomy of the digestive system?

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You should have watched the video of the cross course and write all the different functions of the different organs.

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You will need to glue this picture also that I gave you in class.

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We are going to see now each organ part by part.

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You should have now a photocopy with all the different pictures of the different organs that you will have to glue when I tell you.

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Let's start.

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We start with the first part of the digestion system, the mouth.

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What do we do usually with the mouth?

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With the mouth, we do the process of ingestion.

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Okay, so you should, from the paper that I gave you in class, we told the different parts of the digestive system.

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You're going to cut the one of the mouth and the one of the teeth.

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And you're going to glue it under the title, okay, and your notebook.

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On the mouth, we have different parts of the mouth.

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The first are our teeth.

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Our teeth have different names depending on the function that they have.

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We have the incisors, canines, premolars and molars.

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The names you should write them on the paper after you have glued the mouth.

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At the back of our mouth we have the uvula, which in Spanish we call it campanilla or uvula.

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the uvula helps us to talk and speak. Then what else do we have? We have the tongue,

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we have the gums which are the part that fix the teeth to our jaws and we have also the palate

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that is on the upper part the upper part of our mouth and the tonsils that maybe you have suffered

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from them maybe you sometimes you feel sick because you have the tonsils inflamed and they

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are very useful about the teeth you don't need to learn all the different parts of the teeth there's

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no need okay but in case you were worried about the teeth maybe you had some problems about the

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teeth and you want to learn more about them i have uploaded a video in the i would love you

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to all that you can watch it if you want under the two pictures of the mouth and teeth we're

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gonna make a pop-up yes pop-up okay we're gonna make a pop-up on one side as you have here in my

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notebook okay we're gonna cut a piece of paper which will be eight centimeters times 10 centimeters

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and we're going to cut it into three different parts but as you can see i didn't cut it till

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the end okay i i left one space where i'm going to glue it to our notebook in the way that we have

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flaps okay what are the functions of the mouth there are three of them mastication insalivation

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and deglutition we're going to see each of them in mastication imagine that i turn the flap and

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I write directly on the notebook. So, what is the purpose of mastication? Tearing, cutting, chewing

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and grinding food. When we turn the page, the flag in ensalivation, we need to write that the purpose

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of ensalivation is mixing. What does it mix? Grounded food plus saliva. Grounded food means

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molido, grounded food plus saliva. And in deglutition, which is the process by which

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we get the food from our mouth inside our esophagus we have some peristaltic movements

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we're going to see this peristaltic movements also in the esophagus in the intestines okay

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we'll study later when you have finished with all this pop-up on one side either the left or

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on the right side, I have it for example

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here on the right, but it doesn't

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matter, okay, we write

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the word

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bolus.

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Why do we write the word bolus? Because

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after all the food

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is mixed in the mouth

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with all the

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tearing, chewing,

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grinding, etc., and

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mixed with the saliva, then it forms

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the bolus, and the bolus pass from the mouth

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through the esophagus

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until it reaches the stomach.

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So we don't have food anymore, we have the bolus.

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We continue with our journey through the digestive system, we move to the esophagus.

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From the mouth, the bolus gets inside the esophagus, which is a large tube that connects the mouth with the stomach.

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And the way of passing the bolus from mouth to the stomach is through peristaltic movement.

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So, I'm going to play now a picture that you will need to copy on your notebook under the title Esophagus.

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You need to copy the following drawing of the peristaltic moment.

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last part that we are going to see today is the stomach you have to watch a video which is now

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on the aula virtual and you need to fill in the theory that i gave you in class okay you need to

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fill in the gaps but this is theory so we need to write it on the left side of our notebooks