Division of the Nervous System

Question 1

What is the human nervous system?

Answer 1

A body wide system of nerve cells that collects information from the world, processes this info and then takes action by directing body organs and muscles via the transmission of electro chemical messages.

Question 2

What is the central nervous system?

Answer 2

it involves complex information from the world, processes this info and then takes action by directing body organs and muscles via the transmission of electro chemical messages.

Question 3

what is the peripheral nervous system?

Answer 3

Body wide network of messenger neurons. Sensory neurons take info to the CNS, and motor neurons take info away from the CNS.

Question 4

What is the Autonomic Nervous System?

Answer 4

Part of the PNS that controls actions of internal glands is a involuntary system.

Question 5

What is the somatic nervous system?

Answer 5

Part of the PNS that controls skeletal muscles. It is a voluntary system.

Question 6

What is the sympathetic system?

Answer 6

Part of ANS. Increases bodily activities. Release of noradrenaline, activates in flight/flight response. Increased heart sweat, breathing rate, and dilates the pupils.

Question 7

What is the parasympathetic system?

Answer 7

Part of the ANS. Decreases bodily activities. Releases acetylcholine. Activates in rest. Decreased heart/sweat/breathing rates.