*Remember to load your trailer with more weight in front of the trailer axle than behind it. A trailer with too much weight on the back end can put it and the tow vehicle into a violent and uncontrollable wag that can literally flip the tow vehicle. Overloading a trailer can cause serious injury or equipment damage.
Most recent answer: Dopamine is both a hormone and a neurotransmitter. It acts as a hormone in the blood and as a neurotransmitter in the central nervous system.
Dopamine is a chemical messenger, or neurotransmitter. Dopamine is responsible for transmitting signals between the substantia nigra and multiple brain regions. The connection between the substantia nigra and the corpus striatum is critical to produce smooth, purposeful movement.eople with Parkinson's also have loss of the nerve endings that produce the neurotransmitter norepinephrine. Norepinephrine, which is closely related to dopamine, is the main chemical messenger of the sympathetic nervous system.