Tuesday, November 11, 2008 Y
1) The colour of the enamel changes to brown when the tooth starts to decay.
♀: Acid produced by the germs in plaque dissolves the enamel of the tooth. You usually do not feel pain when this happens.
2) Decay spreads to the dentine.
♀: If the tooth is not treated, the decay will spread into the dentine and destroy more of the tooth. When this happens, you may feel pain if you eat hot or cold food.
3) When decay reaches the pulp, we will experience toothache.
♀: When decay spreads to the pulp, you will get a toothache.
4) Swelling may form.
♀: When the pulp is inflected, the tooth may die.
♂: Tooth decay is the most common dental disease among children. Tooth decay can be treated if it is detected early. This is why we should have regular dental check-ups.
At 3:40 AM,
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Saturday, November 8, 2008 Y
To know the progress of tooth decay, we must first know the different parts of the tooth.
If we cut through the tooth, we can see that it is divided into three layers.
♥: The first layer is called enamel. It is the hardest substance in the body.
♥: The second layer is the dentine. There are nerves and blood vessels here.
♥: The third layer is the pulp. It is full of nerves and blood vessels.
♥: Do you know that our nerves allow us to feel? When there is a cavity in the tooth, the nerves can become inflected or be exposed to heat and cold. We will feel pain if this happens to our tooth.
At 6:59 AM,
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If we do not brush our teeth properly, a soft sticky substance called plaque will form on them. Plaque is made up of germs.
Gearms in plaque can digest sugary food and turn it into acid. The acid then dissolves the tooth leading to cavities or tooth decay.
Germs in plaque + Sugary food -----> ACID = Tooth decay.
Tooth decay can develop on any surface of our teeth. Often, it starts in the following places :
Around the gum margins, Sides of teeth and Grooves on biting surfaces of teeth.
Germs in plaque on teeth act on sugary food to produce acid that causes tooth decay.
At 6:50 AM,
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Thursday, November 6, 2008 Y
Geetha and her friends have read a pamphlet on tooth decay. The pamphlet shows that our teeth can be lost through dental diseases. To keep our teeth for life, we need to take good care of them.
♪: Tooth decay is a dental disease in which the tooth is destroyed by acid produced by germs, giving rise to cavities.
♪: Tooth decay leads to cavities in the teeth. If tooth decay is not treated, the tooth can be lost.
At 4:10 AM,
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Precautions to observe
We should drink plenty of water before and after exercise to replace water that we lose during exercise.
We should avoid strenuous exercise
❤: Immediately after a meal.
❤: When we feel breathless or tired or if we are in pain.
❤: When we are sick or when we are recovering from an illness.
❤: During the hottest time of the day.
❤: We must wait at least 2 hours after a heavy meal before exercising.
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Good exercise practices
We should follow a good exercise plan.
A good exercise plan includes 5 to 10 minutes of warm-up exercise before and another 5 to 10 minutes of cool-down exercise after a vigorous activity.
These exercise stretch and prepare our muscles to make them move more easily. At the end of the vigorous activity, they help our body to return slowly to its normal breathing and heart rate.
At 3:57 AM,
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Wednesday, November 5, 2008 Y
Exercise helps us to keep fit and healthy
Exercise keeps us trim and fit. It also makes the heart and lungs stronger. To exercise safely, we should observe certain simple but important safety rules and precautions. They will enable us to get the most out of exercise and prevent injury.
Proper attire and shoes
We should wear proper attire and shoes.
♡: Our clothes should fit properly and be light, cool and comfortable.
♡: Our shoes should fit properly, be well-cushioned and provide support for the arches and heels of the feet.
At 12:03 AM,
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Tuesday, November 4, 2008 Y
How do you know if you have eye problems?
I may have eye problems if '
❤: I cannot see the blackboard clearly.
❤: I frown and tilt my head in order to see clearly.
❤: I often have headaches.
❤: I have to hold my book close to my eyes when i read.
❤: I have to blink and rub my eyes often.
❤: My eyes hurt often.
❤: I squint often to see better.
At 11:55 PM,
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Taking Care of our eyes
It is important to have good eyesight. How can we take good care of our eyes?
Here are some simple rules to follow to take good care of your eyes.
When you read or write,
☆: Sit upright. Do not read when you are lying down.
☆: Keep a proper distance between your eyes and the book or paper.
☆: Use proper lights. Do not read under strong sunlight or with a light shining onto your face.
When you watch programmes on the television,
☆: Sit at least three metres away from the television screen. The bigger the screen, the further away we should sit from it.
☆: Make sure the screen is at eye level or lower.
☆: Switch on the lights so that it is bright enough.
☆: Reduce the glare from the television screen by adjusting the brightness level on the television set.
☆: When you use the computer, rest your eyes regularly, every forty to forty-five minutes. Make sure the computer screen is not too bright.
☆: Do not play or run with sharp pointed objects.
☆: You must check your eyesight regularly. Always seek the help of a doctor if you have an eye problem or an eye injury.
☆: If you have poor eyesight, you need to wear spectacles. The spectacles should be specially made to correct your eyesight.
☆: If you wear spectacles, you must take good care of them.
At 11:18 PM,
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Monday, November 3, 2008 Y
Food for protection
One serving of food for protection is about
▼: 1 slice of a large fruit
(e.g. watermelon,papaya,pineapple)or
▼: 1 cup of cooked leafy vegetables
(e.g. spinach,cabbage)or
▼: half a cup of non-leafy vegetables
(e.g. carrot,pumpkin,potato,long beans)or
▼: 5 to 10 small fruits
(e.g. grapes,strawberries,longans,rambutans)or
▼: 1 medium-sized whole fruit
(e.g. pear,apple,banana,mango,star fruit,orange)
At 4:51 AM,
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Body-building food
One serving of body-building food is about
Ω: 1 square(350g) of bean curd (douful) or
Ω: half a cup of dried peas and dried beans or
Ω: 90g of lean meat (cooked) or
Ω: 3 medium-sized eggs or
Ω: 2 slices (60g) of cheese or
Ω: 3 glasses of milk or
Ω: 6 tablespoonfuls of peanut butter or
Ω: 1 medium fish or 6 medium prawns (cooked)
At 4:41 AM,
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Energy-giving food
1 serving of energy-giving food is about
¶: 1 bowl of rice (level) or
¶: 1 bowl of cereal and milk or
¶: 2 large-sized potatoes or
¶: 1 bowl of noodles (or 1 packet of instant noodles)or
¶: 2 thick slices of bread
At 4:34 AM,
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Eating A Balanced diet everyday
We need to eat a balanced diet every day.To do this,we have to eat
♪ 2 Servings of energy-giving food,
♪ 2 Servings of body-building food,
♪ 2 Servings of food for protection,
♪ And do not forget to drink alots of water everyday.
Our bodies need at least 8 glasses of water every day. Plain water is best but we can also have milk or unsweetened fruit juices.
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Right Amount Of Food
Eating the right amount of food from each of the three food groups will provide us with a balanced diet.
At 4:19 AM,
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Body-Building Food
Food like milk,eggs,meat and beans help us grow and develop strong bones and muscles.
At 4:15 AM,
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Food For Protection
Other food such as fruits and vegetables help protect us.These foods contain a lot of fibre,vitamins and minerals.They help our bodies to work well so that we do not fall sick so easily.Calcium and iron are two important minerials.
Calcium helps to build strong bones and teeth.Iron is needed in the formation of red blood cells.Girls who have reached puberty may need to eat food rich in iron.Example of such food include egg yolk,liver and dark greenvegetables.
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The 3 main food groups
Energy-Giving Food
Food like rice,noodles,bread and potatoes give us energy.You may need more energy-giving food if you exercise frequently and strenuously.
At 3:56 AM,
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Friday, September 19, 2008 Y
This is my audition pic i like this pic very much!♥
At 1:04 AM,
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At 1:04 AM,
Another chapter of the love story began
Puberty does not begin at the same age for everyone.In girls,it usually starts between the ages of 9 and 12.In boys,puberty starts later,between the ages of 12 and 14.
People are different from one another.Some of you may not be as big and tall as your friends at the same age.Do not worry if you develop earlier or later than your friends.Everyone goes through puberty at his or her own pace.It is more important that you eat well and exercise regularly.Ω
At 1:04 AM,
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Puberty does not begin at the same age for everyone.In girls,it usually starts between the ages of 9 and 12.In boys,puberty starts later,between the ages of 12 and 14.
People are different from one another.Some of you may not be as big and tall as your friends at the same age.Do not worry if you develop earlier or later than your friends.Everyone goes through puberty at his or her own pace.It is more important that you eat well and exercise regularly.Ω
At 1:04 AM,
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Menstruation may be accompanied by stomach cramps,headaches and moodiness.However,daily activities can still be carried out as usual.Some of us may experience more discomfort than others.We should therefore,try to remember that and be more understanding of our friend's feelings.
It is easy to feel embarrassed when talking about menstruation but you still need to get all the right information.You may approach your parents,teachers or doctor for answer.
Some girls may have menstrual problems.These include heavy bleeding,severe stomach cramps or pain,fainting and irregular periods.When such problems occur,it is important to see a doctor for treatment.
During menstruation,personal hygiene is important.This involves the regular change and correct disposal of sanitary towels,showering and bathing daily.♪
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In a 28-day menstrual cycle♡
1st day to 5th day=menstruation occurs when the lining of the womb breaks down.
6th to 10th day=lining of womb just beginning to thicken.
11th to 18th day=lining continues to thicken.
19th to 28th day=thick lining containing many blood vessels.
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Menstruation♥☆
At puberty,girls start to menstruate.Menstruation usually occurs every 28 days.It involves the building up and breaking down of the womb lining.The womb is the part inside a woman where a baby grows until it is born.It is pear-shaped and is located in the lower abdomen of a woman.Menstruation♥☆.
The lining of the womb is very rich in blood.When the lining breaks down,it flows out of the body through an opening called the vagina.This discharge is mainly blood.
☆* Menstruation is a natural and healthy body process.For most girls,it begins between the ages of 10 and 14.
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Changes during puberty♥
During puberty,the body undergoes certain changes.These are some of the changes.♥
Changes in a boy,
♥ Voice ''breaks'' and deepens.
♥ Shoulders become broader.
♥ Pimples may appear on the face.
♥ Hair starts to grow on the face,chest,in the armpits,and in the pubic area.
Changes in a girl,
♥ Breasts grow bigger.
♥ Hips become wider and rounder.
♥ Pimples may appear on the face.
♥ Hair starts to grow under the arms and in the pubic areas.
♥ Starts to menstruate.Menstruation is also known as period. ☆
At 1:04 AM,
Another chapter of the love story began
Wednesday, September 17, 2008 Y
Puberty-a special time in our lives!
When we are about 9 to 14 years old,we begin to grow rapidly.Many changes take place in the body.These changes may take place over several years.They are the result of an increased production of some substances in the body called hormones.♥
*♥ This period of rapid growth and change is called puberty.^^
At 2:35 AM,
Another chapter of the love story began
Tuesday, September 16, 2008 Y
What happens when we grow?
When we grow,we will grow taller and heavier everyday.
*♥All parts of our bodies,especially the muscles and bones,grow.As we grow,we increase in weight and height.☆
At 2:55 AM,
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Monday, September 15, 2008 Y
At 11:55 PM,
Another chapter of the love story began
This is my audition pic i like this pic very much!♥
