The Nervous System

Question 1

What is the nervous system split into?

Answer 1

Nervous system —>
Central nervous system & Peripheral system

Question 2

What does the PNS do?

Answer 2

Sends sensory info from the world to the CNS and back

Question 3

What is the PNS split into?

Answer 3

Somatic Nervous system and Autonomic system?

Question 4

What is the purpose of the parts the PNS is split into?

Answer 4

Somatic = receives info from sensory receptors + controls voluntary muscle movements
Autonomic = Controls vital automatic/involuntary functions

Question 5

What is the ANS split into and what do these do?

Answer 5

Sympathetic nervous system = controls fight or flight; increases energy for vital functions
Parasympathetic = controls rest and digest; conserves energy for vital functions

Question 6

What is the CNS split into?

Answer 6

Brain and spinal cord

Question 7

What is the role of the brain and the spinal cord in the CNS?

Answer 7

Brain = responsible for decision making and complex thought
Spinal Cord = responsible for reflex actions + passing messages from PNS to brain