Nervous system

Question 1

Central NS

Answer 1

• receives info from the peripheral NS
• processes then responds
• comprised of the brain and spinal cord

Question 2

Peripheral NS

Answer 2

• everything outside of the CNS muscles, organs, glands
• carries and conveys info to and from the CNS
• comprised of the somatic NS and Autonomic NS

Question 3

Somatic NS

Answer 3

• division in the peripheral NS
• controls all voluntary movement and responses
• conscious awareness
• network of neurons that transmits info from receptor sites on the sensory organs to the CNS and carries info from the CNS to the muscles that control movement

Question 4

Autonomic NS

Answer 4

• division in the peripheral NS
• controls involuntary movement
• unconscious awareness
• network of neurons that carries neural messages between the CNS and organs and glands
• regulates functioning of internal organs and glands automatically
• system is about survival and maintaining regulating of the body
• comprised of the sympathetic and parasympathetic NS

Question 5

Sympathetic NS

Answer 5

• division in the autonomic NS
• activates the FFF response
• controls organs in times of stress, during vigorous activity or in a threatening situation

Question 6

Parasympathetic NS

Answer 6

• division in the autonomic NS
• controls organs when the body is at rest
• keeps the body functioning effectively
• counterbalances the sympathetic NS by returning the body back to a state of calm when the stress is no longer present
• maintains homeostasis in times of low stress