What would happen without the nervous system
Brain
Central Nervous System
Peripheral Nervous System
Facts about the nervous system
100

How long would it take to die without the nervous system?

You can't live without the peripheral nervous system therefore you would die immediately.

100

What part of the nervous system is the brain in?

The brain is the CNS(central nervous system).

100

What does the central nervous system consist of ?

The spinal cord and brain.

100

What does the Somatic Nervous System do?

It involves motor functions of skeletal muscle including voluntary actions and Somatic reflexes.

100

What parts of the body are the most sensitive to pain?

Our forehead and fingertips are the most sensitive to pain because of their greater density of nerve fibers which react to a pain trigger.

200

If we didn't have our nervous system what would happen?

We couldn't feel the heat or cold and wouldn't know if it was light or dark and we would die.

200

What part of the brain controls the nervous system?

The hypothalamus controls the nervous system.  

200

What are the 3 main regions of the brain?

Hindbrain, midbrain, and forebrain.

200

What does the peripheral nervous system do?

The peripheral nervous system relays information between your brain and your body.

200

How fast can the nervous system transmit signals?  

The nervous system can transmit signals up to 250 miles per second.

300

What happens to your brain if the nervous system fails?

When something goes wrong with a part of your nervous system you can't do basic functions with your brain such as having trouble moving, speaking, swallowing, breathing, or learning. You can also have problems with your memory, senses, or mood.

300

What is the brain?

The brain is a organism that controls thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger and every process that regulates our body.

300

What does the cerebrum do?

Speech, thinking, and reasoning. It also includes emotions and our five senses.

300

What causes the rest and digest system?

The parasympathetic system can cause the rest and digest system when this occurs your heart rate will decrease and digestion will occur.

300

How many neurons are there in each person's nervous system?

The human brain consists of 100 billion neurons.

400

What happens when the nervous system fails partially ?

Problems with the nervous system can cause a variety of symptoms almost anywhere in the body. A few examples of symptoms that may be caused by a nervous system problem include: Numbness or tingling. Weakness or a reduced ability to move any part of the body.

400

What does the medulla do?


The medulla has many regulatory functions such as the regulation of breathing, blood pressure, and heart rate.

400

What is the spinal cords function?

It carries messages back and forth between the brain and nerves that run through the body

400

What does the sympathetic nervous system do?

It is part of the fight or flight response this can cause your heart to race and an increased breathing rate.It also makes you feel warm and cold and senses light and dark.

400

What are the most common cell in the nervous system?

The most common cells in the nervous system are  glial cells.

500

What would fail without the nervous system?

The brain, spinal cord, and nerves make up the nervous system. Together they control all the workings of the body. When something goes wrong with a part of your nervous system, you can have trouble moving, speaking, swallowing, breathing, or learning. You can also have problems with your memory, senses, or mood.

500

How long does it take for your brain to fully form?

Your brain isn't formed until you're 25.

500

What are the main parts of the central nervous system?

The main parts of the central nervous system are the spinal cord, the medulla, the pons, the cerebellum, the midbrain, the diencephalon, and the cerebral hemispheres.

500

What does the autonomic and somatic nervous system do?

The autonomic system makes your brain run automatically and does actions without you thinking about doing them.The somatic nervous system runs functions with you thinking about them.

500

What is the longest and widest single nerve in the human body?

The longest and widest single nerve in the human body is the sciatic nerve. It begins or originates from the spine in the lower back and runs through the buttock and down towards the lower limb till the toe. The sciatic nerve functions by delivering sensation to the skin of the sole, lower leg and the upper surface of the foot.