AP1.2.A and AP1.3.A (Mod 10, Stax 3.3 and 3.5)

Central Nervous System

The part of the nervous system that includes the brain and spinal cord.

Peripheral Nervous System

The part of the nervous system that connects the central nervous system to limbs and organs.

Somatic Nervous System

The division of the peripheral nervous system that controls voluntary movements.

Autonomic Nervous System

The division of the peripheral nervous system that controls involuntary bodily functions.

Sympathetic

Part of the autonomic nervous system that prepares the body for fight or flight.

Parasympathetic

Part of the autonomic nervous system that conserves energy and promotes rest.

Reflex Arc

A neural pathway that controls a reflex action.

Homeostasis

The maintenance of stable internal conditions in an organism.

Sensory Neuron

A neuron that transmits sensory information to the central nervous system.

Interneuron

A neuron that transmits impulses between other neurons.

Motor Neuron

A neuron that conveys impulses from the central nervous system to muscles or glands.