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There is a neurotoxin found in pufferfish, blue-ringed octopus, and in some other amphibians including newts, toads, and frogs called tetrodotoxin. See wikipedia for an exhaustive treatment of it's mechanism. Voodoo magicians in Haiti made this topic famous by using the toxin from a certain type of frog to induce a comatose-like state in a person. The person would be taken for dead, (and though still conscious) buried, and then exhumed by those who would use these brain-damaged people to work on sugar cane farms as slaves.
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What effect does the amount of the sample of a substance affect its density?
it has no effect. density of a substance is the same no matter the size or shape of the sample.
What has no effect on litmus?
Litmus is not affected by pure water because it is a neutral substance. Additionally, substances that are not acidic or basic, such as sugar or salt, will also typically have no effect on litmus paper.
Why is benzene on the substance priority list (spl)?
It is supposed that benzene has a carcinogenic effect.
Will there be effect on melting or boiling point of a substance if another substance is added to it?
Yes, impurities have important effects on the melting and boiling point of materials.
A substance secreted by cells or glands that have a regulatory effect in the body?
That is called a hormone. It is an organic secretion
How do drugs affect sport performance answer for this question?
Drugs effect nerves in your body that can paralyze you so you wouldn't be able to play sports
What is the effect of hemotoxin and neurotoxin?
Haemotoxins affect the blood - usually by rapid clotting of the red blood-cells. Neutotoins affect the nervous system, causing paralysis.
What effect does the amount of the sample of a substance affect its density?
it has no effect. density of a substance is the same no matter the size or shape of the sample.
What happens when a disk in ones back is crushed?
When a disc in someone's back is crushed, it can paralyze them. It can also effect the way their body functions. This depends on what disc is crushed.
What is the immediate effect of substance abuse on the mind memory judgment and concentration?
It depends on the substance :)
What effect does observing a substance have on physical properties on a substance?
It can be observed without changing the identity of the object.
Would an organic substance effect the solubility of borax?
No
What physical effect can change the boiling of substance?
Pressure
What effect occurs at the point of contact with a hazardous substance?
EXPOSURE
What is the effect of temperature on gases in liquids?
It is varied for each substance.
A method of working against the effect of a poisonous substance?
Antidote
What are chemical principles?
Principles are the constituents of a substance. Chemical principles are those that produce a certain quality or effect in the substance.
