Modified
In
‐
School
Off
‐
School
Approach
Modules
(MISOSA)
Distance
Education
for
Elementary
Schools
SELF
‐
INSTRUCTIONAL
MATERIALS
KEEPING
THE
DIGESTIVE
SYSTEM
HEALTHY
S
C
I
E
N
C
E
Revised
2010
by
the
Learning
Resource
Management
and
Development
System
(LRMDS),
DepEd
‐
Division
of
Negros
Occidental
under
the
Strengthening
the
Implementation
of
Basic
Education
in
Selected
Provinces
in
the
Visayas
(STRIVE).
This edition has been revised with permission for online distribution
through the Learning Resource Management Development System (LRMDS) Portal
(http://lrmds.deped.gov.ph/) under Project STRIVE for BESRA, a project supported
by AusAID.
Section 9 of Presidential Decree No. 49 provides:
“No copyright shall subsist in any work of the
Government of the Republic of the Philippines. However,
prior approval of the government agency or office wherein
the work is created shall be necessary for exploitation of
such work for profit.”
At the end of this lesson, you will able to:
describe common ailments of the digestive system.
identify ways of preventing/curing common ailments of the digestive system.
A. Trace the path of food in the digestive system. The arrow ( ) shows where
The food goes. Fill the blank with correct body part.
B. Answer these questions:
1. Why should food be digested?
2. How does the body make use of the digested food?
Have you ever experienced any disorder in any part of your digestive system?
Which part was it? Which part was it? How did you feel? How did it affect your digestion?
2
Read and Learn More:
AILMENTS DESCRIPTION CAUSE PREVENTION TREATMENT
Appendicitis Swollen and infected
appendix, pain in the lower right side of the abdomen, nausea, vomiting and fever Trapped food and bacteria
Eat slowly, take a rest after eating, move bowel regularly
Surgery
Constipation Difficulty in moving vowel Not enough water absorbed in the large intestine
Eat plenty of fruits and vegetables, drink plenty of water and move bowel regularly
Medication
Different organs work together to make digestion possible. If any of these organs is not in good condition, the digestive system cannot work well.
Taking good care of the digestive system can help prevent ailments to happen. These ailments could have been prevented if the digestive system is healthy. Practicing health habits enable your digestive system to work well. Many people however have habits which unknown to them can cause ailments of the digestive system.
Diarrhea Frequent bowel movements with watery stool Too much water absorbed in the large intestine; viral infection of by contaminated food and water
Drink plenty of water, avoid foods which contains fat, fiber, and a lot of sugar
Medication
AILMENTS DESCRIPTION CAUSE PREVENTIO
N
TREATMENT
Gastric Ulcer Open sore in the stomach or duodenum
Tissue eroded by too much stomach acid, acidic juices, smoking, alcohol some drugs Avoid smoking, taking large quantities of tea, coffee, alcohol and some drugs Medication
Indigestion Pain in the stomach Too much food, fear, anger, tension, presence of parasitic worms in the intestines
Avoid tension, eat well and take a rest
4
Tooth
decay/toothache
Pain in the tooth cavities
Food particles in between the teeth are acted by germs and produces acid. Acid dissolves theouter part of the tooth and forms cavity. Brush teeth every after meal. Regular visit to dentist. Medication
Gingivitis Inflammation of the gums; Redness, swelling and bleeding of the gums foods particles in between the teeth are acted by germs produces acid
Food particles in between the teeth are acted by germs and produces acid Brush teeth and massage gums regularly. Medication
Gastritis Inflammation of the mucous lining of the stomach; vomiting and pain in the upper abdomen Excessive intake of certain drugs, alcohol, heavy smoking bacterial infection Regular intake of meals; avoid smoking and excessive intake of alcohol Medication
Mumps Swelling of
glands and cheeks, high fever
Viral infection of the salivary glands behind the jaw
The way the digestive system work has something to do with your health. In order to keep your digestive system healthy and work smoothly, it is important for you know what you can do to take care of your digestive system.
Learn to practice these habits:
• Have a balanced diet every day. The food that you eat should contain the right amount of the different nutrients needed by the body. Nutrients are chemical substances which you eat and drink in order to grow and become healthy. These include vitamins and minerals, vegetables and fruits, meat and fish products, cereals and other carbohydrates.
• Eat regularly and observe the proper time for eating. When buying ready to eat foods, be sure they come from covered containers. Uncovered foods are easily contaminated by bacteria or germs and harmful insects.
• Chew the food slowly and well. Relax while eating your meals. Do not swallow large chunks of food.
• Do not eat when you are angry, sad or tense. The food you take in will not be properly digested and may cause indigestion.
• Wash uncooked foods thoroughly before eating them.
• Drink about six to eight glasses of water a day. Lessen your intake of sweets during snacks. Chocolates, cakes, and candies may destroy your appetite.
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• Enjoy your meal.
Your teeth perform the first step in digestion. Eat food rich in calcium. Calcium helps make your teeth strong.
Brush your teeth after every meal. It removes plaque that can damage the teeth. It is the sticky material that forms on teeth if you fail to brush them regularly.
Visit your dentist at least twice a year or whenever you observe that a tooth is showing signs of decay.
I learned that:
Toothache, mumps, diarrhea and constipation are common ailments of the digestive system. Appendicitis, diarrhea, mumps, gingivitis,
gastritis, and ulcer may also occur to both children and adult.
The digestive system should be cared for so that it can work very well.
Desirable health habits are needed to keep the digestive system healthy.
A. Fibers in cereals, fruits and vegetables clean the intestines. They help prevent constipation.
Write the fiber foods that you eat in one day. Copy and fill in the table in your notebook.
BREAKFAST LUNCH DINNER
B. Eat your meals regularly. Eating on time helps prevent hyperacidity and indigestion.
Write the time you eat your meals each day. Copy and fill in the table in your notebook.
DAYS BREAKFAST LUNCH DINNER
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
8
C. Make a chart showing the use of herbal medicine in preventing the following ailments.
AILMENTS HERBAL MEDICINE USED
1. Diarrhea
2. Parasitic Worm
(hookworm, tapeworm)
3. Indigestion
4. Constipation
5. Mumps
Answer the following questions in your notebook.
1. Describe how you feel when you had stomachache or toothache.
2. Describe three common ailments of the digestive system and list down how they can be prevented.
3. Why should you chew your food well?
4. How would you show love and respect to your body especially your digestive organs?
A. Write True if the sentence is correct. Write False
1. The digestive system can take care of itself very well. if it is wrong.
2. Bread and cereals help in digestion.
3. Boil water for drinking for more than 20 minutes.
4. Eat tahong and other shell foods when there is “red tide”. 5. See a doctor when you have a stomachache.
6. Eat more vegetables and fruits. 7. Drink plenty of water between meals. 8. Wash fruits before eating.
B. Answer the following questions in your notebook.
1. How would you prevent common ailments of the digestive system? 2. What is a balanced diet?
3. What helps strengthen the teeth?
4. Why should you take care of your teeth?
