How does snake venom poison human

Snake venom can be dangerous for your circulatory system, nervous system or muscular system. But it can also be very useful in medicine.

Are you afraid of snakes? Of the 3 000 species of snakes, only around 450 are poisonous and potentially dangerous to humans. These kill around 100 000 people a year - mostly in Asia, Africa and Latin America. But their venom has also been used in medical discoveries that can save human lives.

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