Transcript Digestion PP

Ashley Brooks
EDIM508INA_201030A
This presentation will address the main concepts
involved in digestion. The essential organs of the
digestive tract will be highlighted, shown, and
discussed. This presentation was designed to
provide visual images and video clips to help the
students to see how food travels through the body.
 10.1.6.B: Identify and describe the structure and
function of the major body systems.
 10.1.9 B: Analyze the interdependence existing
among the body systems.
What is Digestion?
Click HERE.
Two types of Digestion
The Path Food Travels
Click HERE.
Click HERE.
Click on each of the six main digestive
organs and learn more about each
part’s job.
Digestive System Health Tips
References
Click HERE.
Click HERE.
 Digestion is the process by which food is broken down
into substances that can be used by the cells of the
body.
MECHANICAL:
food is broken down into
smaller pieces
(Example: chewing)
CHEMICAL:
food is chemically changed into
simpler substances.
(Example: food mixes with saliva)
Click HERE to watch.
1
Click on one of the
organ names
to learn more
about it.
Mouth
2
Esophag
us
3
5
6
Stomach
Large
Intestin
e
Rectu
m
4
Small
Intestine
Mouth
“The place where food enters the body. The food is
broken down both chemically and mechanically.”
Tongue: helps to push the food to the back
of the mouth where it is swallowed
Return
Esophagus
“A muscular tube that connects
the mouth to the stomach.”
Peristalsis: the contraction and relaxation of
the muscles in the esophagus/digestive tract
that helps to move the food.
Return
Stomach
“A ‘J-shaped’ sac that stores
and further digests the food.”
Bile: A digestive liquid found in the stomach
that helps to break down the food.
Return
Small
Intestine
“A coiled, tube-like organ that
absorbs the digested nutrients.”
(Usually an average of 20 feet long.)
Return
Large
Intestine
“A large tube that absorbs most
of the liquid from the undigested
material.”
Excretion is the process of removing
wastes from the body.
Return
How do nutrients get from the
small intestines to the rest of
the body??
Click HERE to find out!
Rectum
Return
“The place where the undigested
material exits the body.”
Ways to IMPROVE your
Digestive System
 Chew thoroughly
 Identify and STOP eating food allergens.
 Provide for healthy intestinal travel. (Fiber)
 Learn how to deal with stress.
The Six Stops of the
1)MOUTH
2)ESOPHAGUS
3)STOMACH
4)SMALL
INTESTINE
5)LARGE
INTESTING
References-Images
Digestion Cartoon:
http://www.eregimens.com/images/regime
ns/digestion.jpg
Boy Chewing:
http://www.plasmetic.com/chewing-foodfor-weight-loss.jpg
Salivary Gland Diagram:
http://www.passmyexams.co.uk/GCSE/biol
ogy/images/salivary_glands.jpg
Digestion Diagram:
http://www.byhealth.com/digestive-system
Person eating Pizza (Mouth):
http://www.atyourpalate.com/blog/wpcontent/uploads/2010/04/Eating-Pizza.jpg
Esophagus:
http://healinglightseries.com/IMAGES/Ima
ges-Digestion/Esophagus.jpg
Stomach:
http://www.mydr.com.au/files/images/categ
ories/gastro/stomach_normal.gif
Small Intestine:
http://static.howstuffworks.com/gif/adam/i
mages/en/small-intestine-biopsypicture.jpg
Large Intestine:
http://static.howstuffworks.com/gif/adam/i
mages/en/large-intestine-picture-c.jpg
Rectum:
http://0.tqn.com/d/coloncancer/1/0/8/3/Rec
tum.300x300.jpg
References-Video Clips
“Forms of Digestion” (Discovery Education)
http://player.discoveryeducation.com/index.cfm?guidAssetId=6C61430C7B22-492F-857D-ED85AC2235F0
“The Circulatory System: How Nutrients Get from the Small Intestine to the
Rest of the Body?” (Discovery Education)
http://player.discoveryeducation.com/index.cfm?guidAssetId=0DF074A6E7DA-49E0-AFB8-99361EA8BBD6
“Maintaining a Healthy Body” (Discovery Education)
http://player.discoveryeducation.com/index.cfm?guidAssetId=C3318A3E2D1F-4155-94DB-E0B5856AF77A
Lesson based on information from course text:
Merki, Mary. Teen Health. Course 3. New York,
New York: Glencoe/McGraw-Hill, 2003. (390392).