Answer:
Acetylcholine or ACh for short
Explanation:
The neurotransmitter released at the neuromuscular junction is : Acetylcholine . Acetylcholine is one of the most abundant neurotransmitters in the human body , often abbreviated ACh . It is in found in both the central nervous system( CNS) and the peripheral nervous system(PNS). Is the neurotransmitter in the preganglionic sympathetic and parasympathetic neurons
The Aztec empire was taken by the Spaniards
I agree with the person above - the planet Pluto was considered to be quite small to even be called a planet. After scientists found objects in space which were similar in size to Pluto (and were not planets), they questioned the "planethood" of Pluto. After that, it became a dwarf planet, and not just a regular planet.