1) The 3 functions are: the systems gathers information referred as the sensory input, next the system interprets the information in the spinal cord or the brain referred to as integration, lastly the system sends the signal back to the motor neurons attached to the skeletal muscles allowing the reaction to happen.
2) Central and Peripheral Nervous System
3) Central Nervous System
4) Sensory and Motor Neurons
5) Autonomic Nervous System
6) Neurons
7) Dendrite
8) Axon
9) Impulse
10) Sensory, Association, Motor Neurons
11) Sensory
12) Association
13) Motor
14) Synapse
15) Reflex
