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Digestive System

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Now, you must understand that lipids (fats), carbohydrates, proteins, and ... absorbed through this process wind up in the bloodstream, where cells absorb them. ... – PowerPoint PPT presentation

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Title: Digestive System


1
Digestive System
2
Health Article ONLINE!
3
Today we are going to discuss the digestive
system!
4
Now, you must understand that lipids (fats),
carbohydrates, proteins, and nucleic acids are
essential macromolecules to the human body.
5
First, you eat!
6
An apple for example
7
crunch
So the digestive process begins!
8
Now the piece of the apple is being chewed up and
broken down by teeth and saliva.
crunch
9
Thats why you take good care of your teeth! They
help you a lot during the digestive process!
10
Look at those teeth! Dont forget to brush!!!
11
Saliva is an enzyme that starts the process of
breaking down food. Saliva breaks down
carbohydrates.
12
Note Chemical and Mechanical are the two types
of digestion.
This digestion is both chemical and mechanical.
Chemical because of the saliva and mechanical
because of the teeth grinding down the food.
13
Now guess where it goes!
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gulp
Correct! The pharynx.
15
gulp
The pharynx is an example of mechanical
digestion.
16
The pharynx is right here!
17
Right, now comes the esophagus!
18
Mechanical digestion occurs in the esophagus.
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And your esophagus is located here.
20
The esophagus carries food to the stomach through
a process called peristalsis.
21
Now the food is in the stomach!
gurgle
22
Within the stomach, mechanical and chemical
digestion occurs. The gastric juices are the
chemical. The churning and mixing is mechanical
digestion.
gurgle
23
The stomach chemically digests proteins from the
food!
gurgle
24
And here is the location of the stomach.
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Next, it goes to the small intestine.
26
In the small intestine, both chemical and
mechanical digestion take place.
27
Proteins, carbohydrates, and fats are chemically
digested in the small intestine.
28
So this is where we find the small intestine.
29
The next organ in line is the pancreas!
30
Chemical digestion comes about in this organ.
31
So here is the pancreas.
32
Now, we have the liver!
33
The liver is an example of chemical digestion.
34
In the liver, all alcohol consumed is filtered to
prevent it from entering the bloodstream.
35
This is where we find the liver!
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Lastly, we have the large intestine or colon!
37
Chemical and mechanical digestion take place
here.
38
Now this is where the large intestine is found.
39
All the nutrients that are absorbed through this
process wind up in the bloodstream, where cells
absorb them.
40
Foods that are high in lipids are.
Mixed Nuts
Butter
Cheese (Cheddar)
41
Foods that are high in carbohydrates are.
Wheat
Corn
Oatmeal
42
Fish
Foods that are high in proteins are.
Milk
Spinach
43
Foods that are high in nucleic acids are.
Root Vegetables
Soy Milk
Soy Beans
44
Come back to our site anytime!!!
45
(No Transcript)
46
Credits
http//www.fatfreekitchen.com/nutrition/high-prote
in-foods.html http//www.weightlossforall.com/com
plex-carbs.htm http//www.indiadiets.com/foods/fo
od_nutrients/high_fat_foods.htm http//wiki.answe
rs.com/Q/What_foods_contain_nucleic_acid http//w
ww.thermalogic.biz/assets/photos/soy_beans.jpg ht
tp//en.wikipedia.org/wiki/FileBiological_cell.sv
g Wikipedia.com (for pictures)
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