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DIGESTION. Ashley Brooks EDIM508INA_201030A. Purpose.

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DIGESTION

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DIGESTION

Ashley Brooks

EDIM508INA_201030A


Purpose

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.


PA State Standards

  • 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.


Table of Contents

What is Digestion?

Click HERE.

Two types of Digestion

Click HERE.

The Path Food Travels

Click on each of the six main digestive organs and learn more about each part’s job.

Click HERE.

Digestive System Health Tips

Click HERE.

References

Click HERE.


What is DIGESTION?

  • Digestion is the process by which food is broken down into substances that can be used by the cells of the body.

Table of Contents


Two types of Digestion:

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.

Table of Contents


The path food travels...

1

Mouth

Click on one of the organ names

to learn more about it.

2

Esophagus

3

5

Stomach

Large

Intestine

4

Small

Intestine

6

Rectum

Table of Contents


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 HEREto 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.

Click HERE for other ways

to maintain a healthy body.

Table of Contents


The Six Stops of the

The Food Survived the Journey!!

Digestive system

  • MOUTH

  • ESOPHAGUS

  • STOMACH

  • SMALL INTESTINE

  • LARGE INTESTING

  • RECTUM

Table of Contents


References-Images

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

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

Table of Contents


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).

Table of Contents


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