Neurotransmitters and hormones are types of chemical messengers ... Neurotransmitters work together with hormones to regulate different functions. For example, epinephrine reduces inflammation ...

The nervous system contains hundreds of different types of neurons that ... which is based on the type of neurotransmitter released. Excitatory synapses send signals that encourage the creation ...

An electrical impulse cannot directly cross the gap so a different mechanism ... There are two types of removal: Re-uptake – the neurotransmitter is reabsorbed back into the presynaptic neuron ...