Bilaterally symmetric animals have a central nervous system.
segmented
Amphetamines are stimulants of the central nervous system and sympathetic division of the peripheral nervous system.
A mountain lion's nervous system is the same as for any other mammal.
Mamals
for the nerves the peripheral nervous system, for your brain and spinal cord the cental nervous system.
NEURON cells
Chemical
bilateral nervous system
bilateral nervous system
bilateral nervous system
bilateral nervous system