Spinal Cord
Reflexes, Communication between body and brain. Part of CNS
Peripheral Nervous System
Everything outside CNS, Split into Somatic and Autonomic.
Somatic branch
Conscious control, sensory input
Autonomic
Involuntary functions. Split into sympathetic (spends energy), parasympathetic (conserves energy)
Synaptic Transmisson
Chemical info: transfers to sell (or btwn neurons)
Sodium Potassium Pump
Kicks out 3Na+, Brings in 2K+
Resting Potential
-60mV
Depolarization
Neuron goes form -60mv to +50mV
Refractory Period
Can’t fire, resetting to -60mV