ashley brooks edim508ina_201030a this presentation will address the main concepts involved in...
TRANSCRIPT
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?
Two types of Digestion
The Path Food TravelsClick on each of the six main digestive organs and learn more about each part’s job.
References
Digestive System Health Tips
Click HERE.
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Click HERE.
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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.
LargeIntestine Small
Intestine
Stomach
Mouth
1
2
3
4
5
6
Esophagus
Rectum
Click on one of the organ names to learn more
about it.
Mouth
Tongue: helps to push the food to the back of the mouth where it is swallowed
“The place where food enters the body. The food is broken down both chemically and mechanically.”
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 Intestin
e“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 “The place where the undigested material exits the body.”
Return
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)MOUTH2)ESOPHAGUS3)STOMACH4)SMALL
INTESTINE5)LARGE
INTESTING6)RECTUM
References-Images
Digestion Cartoon:http://www.eregimens.com/images/regimens/digestion.jpg
Boy Chewing: http://www.plasmetic.com/chewing-food-for-weight-loss.jpg
Salivary Gland Diagram:http://www.passmyexams.co.uk/GCSE/biology/images/salivary_glands.jpg
Digestion Diagram:http://www.byhealth.com/digestive-system
Person eating Pizza (Mouth):http://www.atyourpalate.com/blog/wp-content/uploads/2010/04/Eating-Pizza.jpg
Esophagus:http://healinglightseries.com/IMAGES/Images-Digestion/Esophagus.jpg
Stomach:http://www.mydr.com.au/files/images/categories/gastro/stomach_normal.gif
Small Intestine:http://static.howstuffworks.com/gif/adam/images/en/small-intestine-biopsy-picture.jpg
Large Intestine:http://static.howstuffworks.com/gif/adam/images/en/large-intestine-picture-c.jpg
Rectum:http://0.tqn.com/d/coloncancer/1/0/8/3/Rectum.300x300.jpg
References-Video Clips“Forms of Digestion” (Discovery Education)http://player.discoveryeducation.com/index.cfm?guidAssetId=6C61430C-7B22-492F-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=0DF074A6-E7DA-49E0-AFB8-99361EA8BBD6
“Maintaining a Healthy Body” (Discovery Education)http://player.discoveryeducation.com/index.cfm?guidAssetId=C3318A3E-2D1F-4155-94DB-E0B5856AF77A
Lesson based on information from course text:
Merki, Mary. Teen Health. Course 3. New York, New York: Glencoe/McGraw-Hill, 2003. (390-392).