|
Whenever you go trekking or walking ___1___
a marsh, remember to watch ___2___
for leeches. Leeches look ___3___
earthworms but they are a nuisance. They cling ___4___
the body of a human being or an animal and
___5___ blood from it. Although it ___6___
horrible, it does not really hurt to be ___7___
by a leech. The leech usually drops ___8___
by itself after it has had its ___9___.
In the past, leeches were
___10___
as a medical tool to suck out poison ___11___
the blood !
You should not ___12___
to pluck off the leech from your body ___13___
it has finished feeding. This is ___14___
the leech secretes a liquid from its mouth which ___15___
your blood from clotting while it is in the ___16___
of sucking the blood. This means that ___17___
will probably bleed for a while if you interrupt a
leech ___18___
its meal.
However, if you happen to ___19___
a packet of salt with you, rub some on the leech. It
will let ___20___
at once at the smell of salt.
|
