Otto Loewi discovered neurotransmissions in 1921. he was a Australian scientists.
Acetylcholine
acetylcholine
It functions as an Acetylcholine antagonists. Acetylcholine was the first neurotransmitter to be discovered. A nicotinic antagonist inhibits Acetylcholine's receptors.
Neurotransmitter
melotanin
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Opium.
Radioactivity was first discovered in Paris, France. It was discovered by a French physicist by the name of Henri Becquerel.
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Helium was first discovered as a component of the sun before being discovered on earth. Hence the name.
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There are a number of neurotransmitter deactivators. For example acetylcholinesterase and anticholinesterases. These are 2 of the most important ones.
Acetylcholine
It was discovered in1789 by an explorer going to the north pole his name was Herber Shirley