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.
General characteristics of invertebrates are as follows: The main characteristic that separates invertebrates from other organisms is the absence of the spinal column and backbone.They are multicelluar organisms, they completely lack cell walls.They are devoid hard bony endoskeleton. The main characteristic that separates invertebrates from other organisms is the absence of the spinal column and backbone. 2  They are multicelluar organisms, they completely lack cell walls. 3  They are devoid hard bony endoskeleton.