the basic functional cell unit of nervous system is what?
nerve cell
neurons are the longest cells in the body and can be up to how long?
3 ft long
what’s highly responsive to stimuli?
excitable cells
neurons transmits what?
transmits information ~ electrical impulses ~ “action potentials”
neurons secretes what from what?
neurotransmitters from cell to cell ~ adrenalin
can neurons divide?
neurons cannot divide ~ no centrioles ~ permanent injury