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Duodenum Small intestine Large intestine |
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Anus Rectum |
SC |
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Liver Pancreas |
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Health aspects of the alimentary canal |
The human alimentary canal usually functions remarkably well |
considering how badly we treat it on occasions! Sometimes it rebels, |
and we either feel sick or have indigestion. |
16 X Class Nutrition - Food supplying system |
Vomiting is the body’s method of ridding itself of unwanted or harmful |
substances from the stomach. The peristaltic movements of the stomach |
and oesophagus reverse their normal direction and the food is expelled. |
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A |
There are many causes of vomiting, but one of the most common is over |
eating, especially when the food contains a high proportion of fat. Vomiting |
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AN |
also occurs when we eat something very indigestible or poisonous. |
When we have a greenish vomit usually called as ‘bilious’ or ‘liverish’, |
we get a bitter taste and it is often the result of having over eaten. The liver |
is unable to cope with the excessive fat and we get a feeling of nausea. |
Indigestion is a general term used when there is difficulty in digesting |
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NG |
food. Healthy people can usually avoid problems related to digestion by: |
a) having simple, well balanced meals |
b) eating food in a leisurely manner |
c) thoroughly masticating the food |
LA |
d) avoiding taking violent exercise soon after eating food |
e) Drinking plenty of water and having regular bowel movements. |
A more serious form of indigestion is caused by stomach and duodenal |
ulcers. These conditions occur more often in people who may be described |
TE |
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as hurried or worried. Thus, ulcers occur more often in busy people who |
get into the habit of hurrying over meals and rushing from one activity to |
another without sufficient rest. Those who are able to relax, who are not |
continually tensed up, and who live at a slower pace, seldom get ulcers. |
You studied about recent researches in the peptic ulcers caused by some |
T |
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bacteria in previous classes. |
Proper functioning of all life processes require adequate amount of |
ER |
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food in all living organisms. It is not just the intake of food but its |
assimilation and expulsion of wastes that play an important role. In take of |
fibre rich food avoids constipation. |
Diseases due to malnutrition |
We know that food is the main source to maintain biological processes |
SC |
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in a perfect manner. Our diet should be a balanced one which contains |
proper amount of carbohydrates, proteins, vitamins, mineral salts and fats. |
Two third of world population is affected by food related diseases. Some |
of them are suffering by consuming high calorific food. Most of them are |
facing various diseases due to lack of balanced diet. It is very important to |
discuss about food deficiency diseases. |
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Free distribution by T.S. Government 2019-20 17 |
Eating of food that does not have one or more than one nutrients in |
required amount is known as malnutrition. Poor health, will full starvation, |
lack of awareness of nutritional habits, socio-economic factors are all the |
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A |
reasons for malnutrition in our country. |
Malnutrition is of three types |
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