5.
Evolutionary-perspective
11.
Central-nervous-system
12.
Peripheral-nervous-system
13.
Autonomic-nervous-system
14.
Sympathetic-nervous-system
15.
Parasympathetic-nervous-system
16.
Somatic-nervous-system
25.
All-or-nothing-principle
33.
Excitatory-neurotransmitters
34.
Inhibitory-neurotransmitters