pp for primary science

Celiac DiseaseCeliac Disease

• WelcomeWelcome to your ‘talking book’ to your ‘talking book’ about celiac disease. about celiac disease.

• To turn each page, click on the To turn each page, click on the right arrow below. Or, click on right arrow below. Or, click on the left arrow to return to the the left arrow to return to the previous page.previous page.

• When you see this icon- - When you see this icon- - on the left side of the screen, on the left side of the screen,

use your mouse and ‘left click’ use your mouse and ‘left click’ to hear the ‘talking book’. to hear the ‘talking book’.

• Enjoy the show!!Enjoy the show!!

Sourced from: Power Point clip art

Introducing Cindy the CeliacIntroducing Cindy the Celiac

• Cindy the Celiac has Cindy the Celiac has ‘celiac disease’.‘celiac disease’.

• She suffered with a She suffered with a bloated stomach that bloated stomach that always hurt.always hurt.

• She often felt tired She often felt tired with little energy.with little energy.


This is how I looked!This is how I looked!

• I couldn’t live with all I couldn’t live with all the pain and the pain and discomfort any discomfort any longer…longer…

• I had to find out what I had to find out what was happening inside was happening inside my stomach!my stomach!


What is ‘Celiac Disease’?What is ‘Celiac Disease’?

• Let’s start at the Let’s start at the beginning…beginning…

• Click to the next page Click to the next page for a dictionary for a dictionary definition.definition.


A person with Celiac Disease A person with Celiac Disease has an has an intolerance intolerance or or sensitivitysensitivity

to to glutengluten..


Intolerance/Sensitivity?Intolerance/Sensitivity?

• What does it mean to What does it mean to have an ‘intolerance’ have an ‘intolerance’ or ‘sensitivity’ to or ‘sensitivity’ to something?something?


Definition: Definition: Intolerance/SensitivityIntolerance/Sensitivity

• When a person has When a person has an intolerance or an intolerance or sensitivity to sensitivity to something, it means something, it means that the body reacts that the body reacts negatively in negatively in response.response.


Understanding Intolerance/SensitivityUnderstanding Intolerance/Sensitivity

• Pain and discomfort Pain and discomfort are caused by the are caused by the body reacting body reacting negatively to gluten.negatively to gluten.

• But, what is ‘gluten’?But, what is ‘gluten’?


Definition: Definition: GlutenGluten

• Gluten is a protein Gluten is a protein found in wheat, oats, found in wheat, oats, rye and barley.rye and barley.


Good news, or the bad news?Good news, or the bad news?

• No more cakes, No more cakes, cookies, bread, cookies, bread, pizza…pizza…

• But, at least I was But, at least I was finding some answers.finding some answers.

• Let’s see if you are Let’s see if you are getting some answers getting some answers too. too.


QuizQuiz1. What is Celiac Disease?1. What is Celiac Disease?

C.C. A person with Celiac Disease eats too much A person with Celiac Disease eats too much gluten…………………………………...click here for gluten…………………………………...click here for AA

E.E. A person with Celiac Disease has an intolerance to A person with Celiac Disease has an intolerance to gluten……………………………………click here for gluten……………………………………click here for BB

G.G. A person with Celiac Disease can’t stop being A person with Celiac Disease can’t stop being silly……………………………………...click here for silly……………………………………...click here for CC

QuizQuiz1.1. What is Gluten?What is Gluten?

C.C. Gluten is a protein found in wheat, rye, oats, Gluten is a protein found in wheat, rye, oats, and barley………………………….click here for and barley………………………….click here for AA

D.D. Gluten is the name for someone who eats too Gluten is the name for someone who eats too much…………………………………click here for much…………………………………click here for BB

E.E. Gluten is found only in Gluten is found only in wheat………………………………..click here for wheat………………………………..click here for CC

QuizQuiz

1.1. What does it mean to have an intolerance to What does it mean to have an intolerance to gluten?gluten?

B.B. When a person has an intolerance to something, it When a person has an intolerance to something, it means they have an allergy……………click here for means they have an allergy……………click here for AA

C.C. When a person has an intolerance to something, it When a person has an intolerance to something, it means they don’t like the taste………click here for means they don’t like the taste………click here for BB

D.D. When a person has an intolerance to something, it When a person has an intolerance to something, it means that the body reacts negatively in means that the body reacts negatively in response……………………………………..click here for response……………………………………..click here for CC

How to make your stomach better How to make your stomach better

• The only ‘cure’ for The only ‘cure’ for celiac disease is to celiac disease is to stop eating gluten.stop eating gluten.

• But, I still want to But, I still want to know how the gluten know how the gluten made me feel so sick?made me feel so sick?


Where does food go when it is eaten?Where does food go when it is eaten?• Food is chewed in the mouth.Food is chewed in the mouth.

• Moves down the esophagus. Moves down the esophagus.

• Enters the stomach.Enters the stomach.

• Food then enters the small Food then enters the small intestines.intestines.

• This is where the body takes This is where the body takes important nutrients from the important nutrients from the food we eat to make us food we eat to make us healthy.healthy.

• Inside the small intestines Inside the small intestines are small finger like are small finger like projections called villi, that projections called villi, that help take the nutrients out of help take the nutrients out of the food.the food.

Sourced from: www. commons.wikimedia.org

What do ‘villi’ look like?What do ‘villi’ look like?

• This is a picture of what This is a picture of what villi should look like in a villi should look like in a healthy person.healthy person.

• These finger like These finger like projections are flattened projections are flattened in the small intestines of in the small intestines of someone with celiac someone with celiac disease who is eating disease who is eating gluten. gluten.

• This ‘flattening’ is This ‘flattening’ is irritating and causes pain irritating and causes pain and bloating.and bloating.

Soured from: www.nutriplexformulas.com

Why was I feeling tired?Why was I feeling tired?

• The villi provide a larger The villi provide a larger surface area inside the small surface area inside the small intestines.intestines.

• When they are flattened, there When they are flattened, there is less surface area.is less surface area.

• The greater the surface area, The greater the surface area, the more nutrients can be the more nutrients can be taken into the body.taken into the body.

• The smaller the surface area, The smaller the surface area, the less nutrients are taken the less nutrients are taken into the body.into the body.

• Without all our necessary Without all our necessary nutrients, our body becomes nutrients, our body becomes weaker and tired.weaker and tired.

Sourced from: www.clusterflock.org/2006/03/daily-calorie

http://www.clusterflock.org/2006/03/daily-calorie

Surface AreaSurface Area

• The first cloth represents The first cloth represents the small intestines with the small intestines with healthy villihealthy villi

• The second cloth The second cloth represents the small represents the small intestines which have the intestines which have the villi ‘flattened’ due to villi ‘flattened’ due to celiac diseaseceliac disease

• Let’s see which one Let’s see which one soaked up more water soaked up more water (i.e. nutrients)(i.e. nutrients)

Which surface area soaked up Which surface area soaked up more water?more water?

• The first cloth (with ‘villi’) soaked up The first cloth (with ‘villi’) soaked up much more water.much more water.

• This shows that the villi help to This shows that the villi help to create a larger surface area inside create a larger surface area inside the small intestines, therefore, more the small intestines, therefore, more nutrients are able to be soaked up.nutrients are able to be soaked up.

• When the villi are flattened, much When the villi are flattened, much less nutrients are soaked up (see 2less nutrients are soaked up (see 2ndnd picture)picture)

• This is why someone with celiac This is why someone with celiac disease feels weak and tired, disease feels weak and tired, because they are not taking enough because they are not taking enough good nutrients from their food into good nutrients from their food into their body to nourish them. their body to nourish them.

Good things in, bad things outGood things in, bad things out• The inside walls of our The inside walls of our

small intestines (including small intestines (including the villi) have the ability to the villi) have the ability to allow the good things into allow the good things into our body (nutrients), and our body (nutrients), and keep the bad things out keep the bad things out (toxins).(toxins).

• How does it do this?How does it do this?

• Look at the next three Look at the next three pages for some possible pages for some possible examples to help us examples to help us understand…understand…

Sourced from: www.juliahavey.typepad.com & www.candidablog.com

http://www.juliahavey.typepad.com/

Closed door?Closed door?

• A closed door will A closed door will keep everything out…keep everything out…

Sourced from: www.stillseraphic.blogspot.com

Open window?Open window?

• An open window will An open window will let everything inside…let everything inside…

Sourced from: www.picturepost.wordpress.com

Tea strainer?Tea strainer?

• What is the purpose of What is the purpose of a tea strainer?a tea strainer?

• It allows the tea in for It allows the tea in for us to drink -us to drink -

• But, it blocks the tea But, it blocks the tea leaves from entering leaves from entering the cup.the cup.

• So, it allows the good So, it allows the good things in (tea), and things in (tea), and keeps the bad things keeps the bad things out (tea leaves).out (tea leaves).

Semi-permeableSemi-permeable• The tiny holes in the tea The tiny holes in the tea

strainer are just big enough for strainer are just big enough for the liquid tea to go through, the liquid tea to go through, but they are too small for the but they are too small for the tea leaves to go through into tea leaves to go through into the cup.the cup.

• Similarly, the inside of our Similarly, the inside of our small intestines have tiny small intestines have tiny spaces that are just big spaces that are just big enough for the good nutrients enough for the good nutrients to pass through, but they are to pass through, but they are too small to allow the bad too small to allow the bad toxins into our body.toxins into our body.

• A wall like this is called: A wall like this is called: ‘‘semi-permeablesemi-permeable’.’.


What have we learnt?What have we learnt?• Our small intestines are lined with ‘villi’, Our small intestines are lined with ‘villi’,

which are ‘semi-permiable’ – to allow good which are ‘semi-permiable’ – to allow good nutrients into our body, and keep the bad nutrients into our body, and keep the bad toxins out.toxins out.

• Celiac disease causes the ‘villi’ to be Celiac disease causes the ‘villi’ to be flattened when gluten is eaten. This flattened when gluten is eaten. This reduces the amount of surface area reduces the amount of surface area needed to soak-up all the good nutrients.needed to soak-up all the good nutrients.

• This causes pain and bloating to the This causes pain and bloating to the stomach, and makes the body feel tired stomach, and makes the body feel tired and weak.and weak.

• However, when the person stops eating However, when the person stops eating gluten, the villi heal and grow back – gluten, the villi heal and grow back – therefore the small intestines are able to therefore the small intestines are able to soak up all the needed nutrients and the soak up all the needed nutrients and the body’s energy and strength are renewed. body’s energy and strength are renewed.

• Try this last quiz to see what you have Try this last quiz to see what you have learnt…learnt…


QuizQuiz

1. What does ‘semi 1. What does ‘semi permeable’ mean?permeable’ mean?

• You can use this You can use this picture of a fly screen picture of a fly screen to help with your to help with your answer.answer.

• Click Click herehere to write to write your answer.your answer.

Sourced from: Google images

QuizQuiz1.1. What purpose do the villi What purpose do the villi

have inside the small have inside the small intestines?intestines?

B.B. Provide greater surface Provide greater surface area….click here for area….click here for AA

C.C. Slow down the digesting Slow down the digesting food….click here for food….click here for BB

D.D. Help to keep the Help to keep the digesting food moving…digesting food moving…………………..click here for ..click here for CC

Soured from: www.nutriplexformulas.com

QuizQuiz

1.1. When the villi are flattened in the small intestines of a When the villi are flattened in the small intestines of a person with celiac disease (eating gluten), why do person with celiac disease (eating gluten), why do they feel weak and tired?they feel weak and tired?

B.B. They have to work harder to grow back?They have to work harder to grow back? ………………………………………… ………………………………………….…….click here for .…….click here for AAD.D. The surface area is reduced, therefore the needed The surface area is reduced, therefore the needed

nutrients from food are not all being taken into the nutrients from food are not all being taken into the body…………………………………..……click here for body…………………………………..……click here for BB

E.E. The digesting food passes too quickly through the The digesting food passes too quickly through the small intestines, not allowing enough time for all the small intestines, not allowing enough time for all the necessary nutrients to be taken into the body…………necessary nutrients to be taken into the body…………………………………………………………………………………………………………click here for click here for CC

The EndThe End

• Next lesson we will Next lesson we will explore which foods explore which foods specifically contain specifically contain gluten, and which gluten, and which foods are safe for foods are safe for people with celiac people with celiac disease.disease.


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