The Central and Peripheral Nervouse System

Question 1

Central Nervous System
The Brain
The Spinal Cord
Spinal Reflex

Answer 1

includes the brain and spinal cord, it is protected by bone

command center

handles both incoming and out going messages

simple automatic behaviors that occur without any brain involvement

Question 2

Somatic

Answer 2

communicates sensory information received by sensory receptors along sensory nerves to the central nervous system

Messages from the brain are communicated down the spinal cord then out to the muscles

Question 3

Autonomic

Answer 3

regulates involuntary functions such as heartbeat, blood pressure, breathing, digestion

emotions and mental imagery also influence the autonomic nervous system

Question 4

Sympathetic

Answer 4

bodies emergency system, rapidly activating bodily symptoms to meet emergencies

fight or flight response
pupils dilate

Question 5

Parasympathetic

Answer 5

conserves and maintains physical resources, calms the body after an emergency

pupils constrict back