components of food (post7 )

Components of Food - Blog Post 7A

 MINERALS

 



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Click on the link below for an introduction to Minerals.

 https://www.youtube.com/watch?v=N3dFAPVOgig

.........................................................................................................................................................DO ALL QUESTIOS-ANSWERS GIVEN IN GREEN IN YOUR NOTEBOOK

Q 14) What are Minerals ?
A) Minerals are the salts of certain metals,nonmetals that are needed by the body for its normal functioning.

Q 15) Why are minerals important ?
A)Minerals help in the proper utilization  of   other nutrients by the body and are required in small amounts.


https://www.youtube.com/watch?v=OobtpVdqEDg&t=361s
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Foods rich in IRON

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Note : A deficiency of Iron results in Anaemia. The symptoms  of Anemia are fatigue and tiredness, pale conjunctiva.
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  Calcium rich foods are needed for the formation of strong bones and teeth.Calcium also helps in the formation of blood clots.





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Iodine


Iodine is needed for the proper functioning of  the thyroid gland found in the neck region. A deficiency of  Iodine in the diet causes a swelling of the thyroid gland called Goitre.
 Fish, sea food and iodized salt are sources of Iodine.

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Fluorine helps prevent tooth decay, this is one of the reasons why many of the tooth pastes we use contain fluoride. Some amount of fluorine is present in the water we drink.

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Sodium and Potassium are present in milk, vegetables and common salt.They help in maintaining the electrolyte levels in body fluids.

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  DRAW THIS TABLE IN YOUR NOTEBOOK

 

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Learning outcome ;

• Defines a Mineral
• Identifies   the symptoms of key mineral deficiency diseases
• lists food items which are rich sources of Iron,Calcium,Iodine, fluorine, sodium and potassium

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CW / HW

• Question and Answers to be written out.
• Key points in green to be written out.