What is the peripheral nervous system, Biology

Assignment Help:

Define the Peripheral Nervous System (PNS)

Peripheral nervous system consists of cranial and spinal nerves.

There are twelve pairs of cranial nerves. They arise from brain. Most of them arrive from brain stem. There are the thirty one pairs of spinal nerves arising from spinal cord. They have been named and numbered according to the vertebral region they belong to. Thus there are eight pairs of cervical spinal nerves from C1 to C8, twelve pairs of dorsal nerves from D1 to D12, five pairs of lumbar spinal nerves from L1 to L5, five pairs of sacral nerves from S1 to S5 and one pair of coccygeal nerve.

 


Related Discussions:- What is the peripheral nervous system

Digestive system of class asteroidea, Digestive System of Class Asteroidea ...

Digestive System of Class Asteroidea Most asteroids are scavengers or carnivores and feed on snails, bivalves, polychaets, other echinoderms, fish, sponges, sea anemones and p

What is chromosome, Is it possible that an X chromosome of a woman can have...

Is it possible that an X chromosome of a woman can have come from her father? It is not only possible that an X chromosome of a woman is from her father, it is certain. Every w

Explain ringworm in humans, Ringworm in humans is caused by : 1. Bacteri...

Ringworm in humans is caused by : 1. Bacteria 2. Fungi 3. Nematodes 4. Viruses Fungi

Describe the electron transport system, a) Describe the electron transport ...

a) Describe the electron transport system. Where does it happen in a mitochondrion and what is the role of oxygen in it ? b) Explain the events that happen in the human heart du

Nutrition, Nutrition As we have said earlier all animals are heterotro...

Nutrition As we have said earlier all animals are heterotrophs and require food from the environment. What is this food made up of? If the food of a number of different animal

Functions of golgi body, FUNCTIONS (1 )      Cell secretion - Golgi ...

FUNCTIONS (1 )      Cell secretion - Golgi body is concerned with secretion (export) of macromolecules. Secretion involves three steps:- (a) Golgi body receives the mat

Segments that form the body of the tapeworm, Q. What are the segments that ...

Q. What are the segments that form the body of the tapeworm called? What is their function? The body of the tapeworm is made of segments called as proglottids. The proglottids

Show the principles of prevention of diabetes mellitus, Q. Show the Princip...

Q. Show the Principles of Prevention of diabetes mellitus? Principles of primary prevention of diabetes are:     Creating awareness of diabetes mellitus   Identifying Pre-D

Aspergillosis, Aspergillosis Aspergillosis is the most common chronic,...

Aspergillosis Aspergillosis is the most common chronic, granulomatous, necrotizing and cavitary disease of lungs, and is characterized by formation of white yellowish caseous

Illustrate omega taxonomy, Q. Illustrate Omega Taxonomy? After synthesi...

Q. Illustrate Omega Taxonomy? After synthesising a basic classification, the taxonomist can attempt to improve upon it. Therefore, the observed facts are interpreted in Omega t

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd