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Ticks are related to
. They have eight legs. After they fill themselves with
, their bodies balloon. They can be the
of an apple
. They get on humans and sink their mouthparts into our
. Their
contains an anaesthetic. This numbs the bite
. People rarely feel
. The ticks can drink a victim's blood for days. To avoid ticks, people should use insect
and wear long-
shirts, long pants and closed shoes.
