Quick Answer. The function of motor neurons is to release the neurotransmitter acetylcholine, which are released at a junction known as the neuromuscular junction, that bind to postsynaptic receptors, causing the muscle fiber to respond and result into a muscle movement.
The frontal lobe is what really sets us apart from animals, which controls one important aspect of humans: Self awareness. The thinking in terms of I am.. Animals don't do that. (although they DO have sex for pleasure.
Neanderthals were homogeneous species, and they are not human ancestors. Although, the difference between humans and Neanderthals when compared to apes is small. Neanderthals had a small population in the relatively recent past, and have no genetic or evolutionary connections with humans.lthough, the difference between humans and Neanderthals when compared to apes is small. Neanderthals had a small population in the relatively recent past, and have no genetic or evolutionary connections with humans.