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

brain excitatory inhibitory signals via neurons glial cells including astrocytes microglia neural functions nervous system cns central pns peripheral generated illustration: this graphic provides insight into intricate workings brain emphasizing key components neurons functions cells microglia broader system neurons fundamental units transmit either excitatorily inhibitorily regulating communication within system comprising play pivotal roles supporting function maintaining overall health astrocytes contribute brain#39aph39#s homeostasis neurotransmitter levels providing metabolic support neurons meanwhile act immune monitoring for potential threats participating defense against infections injuries system pns orchestrates throughout body