PHYSIOLOGY
CENTRAL NERVOUS SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
3 nerves
|
|
|
about a billion nerves
|
|
|
a thousand nerves
|
|
|
None of the above
|
Detailed explanation-1: -Believe it or not, there are over 7 trillion nerves in the human body. All these nerves are part of what’s known as your body’s nervous system.
Detailed explanation-2: -The body has billions of nerve cells Every person’s body contains billions of nerve cells (neurons). There are about 100 billion in the brain and 13.5 million in the spinal cord. The body’s neurons take up and send out electric and chemical signals (electrochemical energy) to other neurons.
Detailed explanation-3: -You have 12 cranial nerve pairs. Each nerve pair splits to serve the two sides of your brain and body. For example, you have one pair of olfactory nerves.
Detailed explanation-4: -Sensory nerves. Motor nerves. Mixed nerves. 29-Oct-2019