Nervous System?

[mellowish]

Hi!

Could someone pls explain how the Nervous System is divided pls? I know it's separated into the Central Nervous System (BRain & Spinal Chord) & then the Peripheral Nervous System, but then how are the Autonomic Nervous System, the Parasympathetic Nervous System etc related as well?

Thank u!

[netglow, ASN, RN]

That my friend is well explained in your anatomy and physiology books. If you forgot, it's best to read again. What you are asking us, is to teach you something that you need to put the time and effort into yourself.

[juliaann]

If your textbook doesn't do it for you, there are TONS of helpful pictures and diagrams and descriptions out there on the ol' internet. Try a google image search or regular google search and see what you get!

[Phlavyah]

Hi! Which book are you using I first had Hole's Anatomy and could not grasp what the authors were saying... found it very difficult! Then I got a new book and felt much better. Sometimes you just have to read a different book, or have a professor that challenges your mind, that gives you critical thinking questions and makes sure you have learned. Don't just read so to regurgitate information at testing time. Remember that learning and memorizing are 2 very different things... Only you can learn for yourself. Good luck!! :-) The nervous system is hard, but you will get through it! :-)

[twentytenRN]

Hi!

Could someone pls explain how the Nervous System is divided pls? I know it's separated into the Central Nervous System (BRain & Spinal Chord) & then the Peripheral Nervous System, but then how are the Autonomic Nervous System, the Parasympathetic Nervous System etc related as well?

Thank u!

Waaaaaaaaay too much info to explain here! If you're an A&P student, I suggest you speak to your professor if you're having trouble understand the nervous system. It is complex and there is a lot to learn, all the way down to understanding an action potential! (And yes, you DO need to know and understand this for nursing, it will haunt you again and again.) Then you will understand why when your patient's potassium is out of whack, why that affects body processes!

Basically, the physical nervous system is divided into the CNS and the PNS. The CNS is just your brain and spinal cord. The PNS is every other nerve your body, your motor and sensory neurons outside of the spinal cord. The ANS is a branch of the PNS that is subdivided into the SNS and the PSNS. The ANS controls your "fight or flight" responses. The SNS and the PSNS are antagonists. Meaning when one side of it is activated, the other is deactivated.

Here is a website that gives a quick breakdown with more detail. Happy Studying and Google is your friend!

http://www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookNERV.html