chapter 2 nutrition powerpoint

8/18/2019 Chapter 2 Nutrition Powerpoint

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7 Classes Of Food

ScienceChapter 2

Nutrition

Rohanjeet Amir

Khirrhu Luqman

Carbohdrates!roteinsFats

"itamins#inerals

Fibre$ater


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!rotein

Food rich in protein includes sh, milk, meat, eggwhite and nuts

rotein is made up of carbon, hydrogen, oxygen,and nitrogen

roteins are re!uired for building new cells forgrowth, to replace

damaged tissue.


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Food rich in fats includes palm oil, butter and eggyolk.

Fat produces twice the amount of energycompared with carbohydrate of the same weight.

The function of fat include"

supplying energy, as and insulator of heat to reduce heat loss fromthe body,

protecting the internal organs such as thekidneys and the heart

FA%S


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#itamins are re!uired in small !uantities only.

#itamins are classied into two groups

• vitamins soluble in water $ vitamin % and C ,• vitamins soluble in fat& vitamin ', (, ) and *.

#itamins protect the body from various types ofdiseases and maintains the health of the body.

"&%A#&NS


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#&N'RALS

o +inerals are simple chemicals usually found in

the body.

o ur bodies need more calcium and phosphorusthan the minerals because they help to formstrong bones and teeth.

o +inerals are needed for good health.


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Fibre is made up of cellulose which cannot bedigested by the body.

' shortage of bre in our daily diet can causeconstipation and sometimes even bowel cancer.

#egetables, fruit, beans, lentils and brown breadare examples of food rich in bre.

F&(R'


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'pproximately -/ to 01/ of a person2s bodyweight is made up of water.

The body obtains water when we drink waterand also when we consume fruits and vegetables.

3ater is needed by the body for"

helping in the digestion of food transporting digested food substances transporting excretory products such as urea. maintaining the body temperature

$A%'R


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%)ANK *O+

chapter 2 nutrition powerpoint

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