Nervous System

Front 1

Central Nervous System

Back 1

Serves as the main processing center for the entire nervous system.

Front 2

Brain

Back 2

Located within the skull that functions as organizer and distributor of information for the body.

Front 3

Cerebrum

Back 3

Large, upper part of the brain that controls activity and thought.

Front 4

Cerebellum

Back 4

Under the cerebrum that controls posture, balance and coordination.

Front 5

Brain Stem

Back 5

Connects the brain to the spinal cord and controls automatic functions such as breathing, digestion, heart rate, and blood sugar.

Front 6

Spinal Cord

Back 6

Serves as channel for signals between the brain and the rest of the body, and controls simple musculoskeletal reflexes without input from the brain.

Front 7

Peripheral Nervous System

Back 7

Connects the central nervous system to the organs and limbs.

Front 8

Somatic Nervous System

Back 8

Associated with the voluntary control of body movements.

Front 9

Spinal Nerves

Back 9

Carry motor and sensory signals.

Front 10

Cranial Nerves

Back 10

Carry information into and out of the brain stem.

Front 11

Autonomic Nervous System

Back 11

Associated with the involuntary control of body movements.

Front 12

Sympathetic

Back 12

Activated when the body is in a dynamic role or stress.

Front 13

Parasympathetic

Back 13

Maintains body function and restore the body to normal or relaxed mode.