Page 33 - SCIENCE 2
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4. Oxygen
Plants keep the air fresh.
Plants provide oxygen
which is needed for living
organisms to breathe.
Oxygen is also needed
for burning .
5. Medicine
Some plants give us medicines. Eucalyptus, Aloe Vera, garlic, Amla,
cinchona, neem, tulsi and serpentina are some medicinal plants.
Tulsi leaves are used to cure cold and cough.
Amla Mint Neem Aloe vera Tulsi
6. Wood
Some plants such as teak, pine, neem, sal, walnut etc., give us wood.
Wood is used to make wooden houses, furniture, doors and windows.
Plants also give us wood for fuel.
Almirah
Chair
Wooden house
Wood from some trees is also used
for making boats and carts.
Boat