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.
What sets the corporation apart from all other types of businesses is that a corporation is an independent legal and tax entity, separate from the people who own, control and manage it. Because of this separate status, the owners of a corporation don't use their personal tax returns to pay tax on corporate profits -- the corporation itself pays these taxes.