Writing Resources
Neurotransmitters play an important role in maintaining homeostasis and facilitating communication or coordination between different parts of the body Neurotransmitters are the chemicals that allow the transmission of signals from one neuron to the next neuron across synapses The neurotransmitter that is present in the nervous system is Acetylcholine Acetylcholine is released by a nerve cell or neuron and causes muscles to contract activate pain responses and regulates endocrine and REM functions Several diseases such as Parkinson's disease drugs such as LSD and neurotoxins influence or change the ability of a neurotransmitter to function The nervous system has three main functions which are sensory integration and motor The sensory function of the nervous system involves collecting information from sensory receptors that monitor the body's internal and external conditions The integration function of the nervous system involves the processing of the many sensory signals that are passes into the central nervous system at any given time The motor function of the nervous system involves stimulating efferent neurons which carry signals from the gray matter of the central nervous system through the nerves of the peripheral nervous system to the effector cells The nervous system consists of the brain spinal cord sensory organs and all the nerves that connect to these organs with the rest of the body
