Which is a poisonous liquid produced by some animals?

Venoms
Venoms, which are produced by specialized poison glands, are injected by means of a mechanical device that is able to penetrate the flesh of the victim.

What are animal toxins?

Animal toxins are a complex mixture of polypeptides, enzymes and chemicals which can cause cellular injury. Several mechanisms are involved in pathophysiology of venom poisoning. Direct injury can be induced by chemicals, enzymes and polypeptides.

What’s the most venomous animal?

The Box Jellyfish
The Box Jellyfish is the most venomous animal in the world. Death can occur minutes after being stung.

What’s the most venomous animal in the world?

1. Box Jellyfish The box jellyfish won the top prize for “The World Most Venomous Animal,” (life scientists have dropped the “fish” from “jellyfish” as it is misnamed). Since 1954, it has led to not less than 5,567 recorded deaths. Its toxins attack the nervous system, skin cells, and heart.

Which is the most poisonous metal?

Mercury. Mercury is considered the most toxic heavy metal in the environment. Mercury poisoning is referred to as acrodynia or pink disease.

Why do animals produce toxins?

Traditionally, venomous animals are thought to inject the same combination of toxins for both predation and defense. However, recent studies showed that cone snails can rapidly switch between distinct venoms in response to predatory or defensive stimuli.

Why are animals poisonous?

Numerous animal species naturally produce chemical toxins which are used to kill or incapacitate prey or as a defense against predators. Venomous animals deliver these toxins as venom through a bite, sting, or other specially evolved mechanism. Venoms have evolved to serve a wide variety of purposes.

What is the most toxic substance in the world?

1. Botulinum toxin. Scientists differ about the relative toxicities of substances, but they seem to agree that botulinum toxin, produced by anaerobic bacteria, is the most toxic substance known. Its LD50 is tiny – at most 1 nanogram per kilogram can kill a human.

What is the deadliest poison on the planet?

These Are The Top 5 Deadliest Poisons on The Planet 1 Botulinum toxin. 2 Maitotoxin. 3 Batrachotoxin. 4 VX. 5 Ricin.

Is tetrodotoxin the most poisonous substance?

When asked to name a poison, people may well think of cyanide, arsenic or strychnine. But these are not the most toxic substances known. More poisonous than these, but still not near the top of the tree, is tetrodotoxin, the pufferfish toxin that poisons around 50 Japanese people every year.

What are the most dangerous marine toxins?

There are a number of potent marine toxins, such as Saxitoxin, which are often the cause of poisoning after eating contaminated shellfish. These are often associated with harmful algal blooms in the sea. Maitotoxin is the most lethal of these substances, reckoned to have a LD50 about an order of magnitude less than batrachotoxin.