brain excitatory & inhibitory signals via neurons. glial cells, including astrocytes & microglia, neural functions. nervous system

brain excitatory inhibitory signals neurons glial cells including astrocytes microglia neural functions nervous system cns central pns peripheral generated illustration: graphic provides insight intricate workings brain emphasizing components neurons functions cells microglia broader system neurons fundamental units transmit either excitatorily inhibitorily regulating communication system comprising pivotal roles supporting maintaining overall health astrocytes brain#39aph39#s homeostasis neurotransmitter providing metabolic support neurons meanwhile immune monitoring potential threats participating against infections injuries system pns orchestrates throughout body cns encompassing spinal processes integrates body facilitating organs illustration captures complexity interactions showcasing signals supportive coordination systems visual representation dynamic interplay