divisions of the nervous system

Question 1

what are the 2 nervous systems?

Answer 1

the central nervous system (CNS)
the peripheral nervous system (PNS)

Question 2

what is the CNS?

Answer 2

-the central nervous system
-comprises of the brain and the spinal chord
-the brain has many functions, including vital functioning, problem solving and planning
-the spinal chord facilitates the transferal of messages to and from the brain to the PNS, as well as being involved in reflex actions

Question 3

what is the PNS?

Answer 3

-the peripheral nervous system
-transmits messages to the body from the brain and vice versa
-has two divisions; the somatic and the autonomic systems

Question 4

what does the somatic nervous system do?

Answer 4

transmits information to and from the senses and to and from the CNS

Question 5

what does the autonomic nervous system do?

Answer 5

transmits info to and from internal organs to sustain life
split into 2 divisions; the sympathetic nervous system and the parasympathetic nervous system

Question 6

what does the sympathetic nervous system do?

Answer 6

generally increases bodily activities

Question 7

what does the parasympathetic nervous system do?

Answer 7

generally maintains or decreases bodily activities