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| Some snakes have developed poison as a means of catching prey, unlike
constrictors. They inject their venom by biting the prey.
Some snakes
poison actually starts to digest the prey before it is in the snakes
mouth. Snakes inject venom by means of two hollow teeth known as fangs.
There are two types of poison, which are called neurotoxins and haemotoxins. Neurotoxins affect the nerves causing paralysis, and haemotoxins affect the blood causing internal bleeding. The fastest type
of these two is the neurotoxin, because it causes respiratory failure. |
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| There is only one
poisonous snake in Great Britain, (but not in Ireland), the
adder, and it is not very dangerous, but it still bites several
people every year. It’s poison is a haemotoxin. I have a
newspaper clipping of a woman who was bitten by an adder at the
back of the project. |
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