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 The Deadliest Venomous Animals In The World
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Description: 

Some of the world¡¯s deadliest animals have venom that's thousands of times

more toxic than cyanide and can kill a human in minutes. Brown snakes, funnel

web spiders, and blue-ringed octopuses are among the animals that you do not

want to mess with. 

 

Transcription:

You've been bitten! And, uh-oh, it's venomous. How long have you got? Well,

that depends on a few factors, including the potency, dose delivered, and speed 

of distribution. Turns out, not all venoms act the same way. Here are the animals

with the fastest acting venom on earth. First up, spiders. There are around 40,000

species of spider and most are venomous. But, thankfully, only a handful pose a

threat to humans, including the male Sydney Funnel-web Spider. Its venom is 60 

times as potent as cyanide and can kill a human in one to two hours. The venom 

attacks the nervous system, kicking it into overdrive until, ultimately, it shuts down.

Of course, spiders aren't the only venomous animals in Australia. It's home to 20 

of the world's 25 deadliest snakes, including the Eastern Brown Snake which is 

responsible for the most snakebite deaths in the country. Its venom is 8,000 times

stronger than cyanide and can kill a human in about one hour. Its venom also 

attacks the central nervous system but, this time, it slows everything down. 

And, to top it off, the venom has a coagulant that causes the blood in your veins 

and arteries to clot. Between the two, it's not a good way to go. Now, at this 

point, you might consider switching your Australian safari to a scuba dive, just to

be on the safe side. But, venomous animals live in Australian waters too, 

like the Blue-ringed Octopus. Its venom is 1,000 times more toxic than cyanide 

and it'll bring down a human in just 20 to 40 minutes. Bacteria in its saliva makes 

an extremely potent neurotoxin which paralyzes your muscles. And, once that 

paralysis hits your diaphragm and rib muscles, you have only a few minutes before

you suffocate to death. But another marine animal is even deadlier. The fastest 

acting venom on earth belongs to the Australian Box Jellyfish, or Sea Wasp.

It's not the most potent venom out there at 2,000 times stronger than cyanide,

but encounter one of these guys and you'll be dead in 15 minutes. 

That's because their tentacles are covered with tiny, venom loaded darts called 

nematocysts, which shoot heart-stopping toxins into the body wherever they 

make contact. All of this sounds pretty scary but, remember, you're less likely 

to die by venomous spider than by car crashes and infection, or disease.

And, it's not like these animals are after you anyway. They'd just as well prefer

that you stick to your own habitat. But, still, be smart, be respectful, be safe. 

Tell us the scariest animal encounter you've ever had, and thanks for watching. 

 

Questions: 

1. What is a venom?

2. Enumerate the most venomous animals in the world. 

3. Where are they found?

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2021-06-23 ¿ÀÈÄ 1:49:27
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