AOS1-B&NS-Functions Of The NS

Question 0

Spinal cord

Answer 0

• Connects brain and peripheral NS
• Passes sensory info from the PNS to the brain
• Passes motor information from the brain to the PNS

Question 1

Central Nervous System

CNS

Answer 1

Compromised of the brain and spinal cord

Question 2

Peripheral Nervous System

PNS

Answer 2

• All neurons outside of the CNS
• Carries messages to and from the CNS
• Involves sensory and motor messages

Question 3

Somatic Nervous System

Answer 3

• Division of the PNS
• Controls voluntary movement of the skeletal muscles
• carries information from sense organs via sensory neurons to the CNS
• Carries motor information via motor neurons from the CNS to the skeletal muscles in the body

Question 4

Autonomic Nervous System

Answer 4

• Division of the PNS
• Connects to internal organs and glands
• Self regulating system that controls involuntary functions of internal muscles (visceral muscles), organs and glands

Question 5

Eg). Of somatic NS

Answer 5

Putting on a hat when it is sunny

Question 6

Eg). Of autonomic NS

Answer 6

Pupils constricting due to sunlight

Question 7

Sympathetic Nervous System

Answer 7

• Division of Autonomic NS
• arousing
• activates internal muscles, organs and glands to prepare for vigorous activity or to deal with stressful/threatening situations
• fight/flight

Question 8

Parasympathetic Nervous System

Answer 8

• division of Autonomic NS
• maintains homeostasis in times of minimal stress
• counterbalances Sympathetic NS in order to restore energy for the next time Sympathetic NS is in action