Page 40 - Science class 4
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Potato, rice, bread, banana
and grapes are rich sources of Carbohydrates are called the fuel of
carbohydrates. body.
Fats
They provide us more energy than
carbohydrates. Extra fats can be stored in
our body to be used later. Butter, ghee and
nuts are rich sources of fats. A person, who
does a lot of physical work, needs more
Energy-giving food
carbohydrates and fats.
Fats and carbohydrates are called energy-giving food .
Proteins
These are the nutrients that help to build the
body and make new cells. They also help in the
repair of worn out tissues. Proteins are
especially important for growing children. They
are called body-building food . Cheese, pulses,
eggs, milk, meat and fish have lots of proteins. Body-building Food
Vitamins
These are needed in very small quantities by our
body. They keep us healthy by helping the body to
fight against diseases. They also help in proper
working of our eyes, nerves, gums, skin etc. Vitamin
A keeps the eyes and skin healthy. Vitamin B is good
for muscles and nerves. Vitamin C makes strong
gums and heals our wounds fast. Vitamin D makes teeth and bones strong.
Fresh fruits, vegetables, fish and milk are rich in vitamins.
Minerals
These are also needed in very small
quantities to keep us fit and healthy. Calcium,
a mineral, is used for building bones and
teeth. Milk and green leafy vegetables are Fruits Vegetables
rich source of calcium. It is in lime also. Protective food
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