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 critical element that culturally sets humans apart from other species is the functional superiority of the human brain. That existing human culture has three axial components, namely politics, religion, and technology, which influence the affairs of mankind, must be obvious to all with a passing interest in human behaviour.
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.