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Plants are very important. They produce oxygen and
food for other forms of life, including human beings.
Plants are also used to make medicines to keep us
healthy.
Today we use aloe vera, a cactus-like plant, in many
di erent ways. We can use it for skin problems like cuts
or rashes. Aloe vera is also good for burns. It helps skin
to heal.
Other plants give usmedicines too.We get quinine from
the bark of the cinchona tree. Quinine helps reduce
pain and in ammation. We use it to treat malaria. The
chamomile ower is used to make a tea. It sometimes
helps when we have stomach pain.
In summary, plants give us many useful substances.
3
Some herbs are used as teas.
d
b
c
a