1. How Does It Work? by: Mandy Bourland
The Nervous System
How Does It Work?
by:
Mandy Bourland

2. Your nervous system has three components…
Brain
Nerves
Spinal cord

3. The Most Important Part of the Nervous System…
Your brain controls everything that happens in your body.

4. The brain has two sides.
The left side of the brain controls the right side of the body.
The right side of the brain controls the left side of the body.

5. Nerves are like telephone lines.
They send messages all over your body.
These messages move through your body faster than you can blink your eyes.

6. Nerves travel through the spinal cord.
Your spinal cord is like an extension cord that runs down the center of your back.
It is protected by the backbone.

7. Interesting Facts
Each side of the brain controls the opposite side of the body.
Your brain is full grown by age 6.
It weighs about three pounds.
Your brain is made mostly of water. (85%)

8. What if you had no brain or nerves?
You wouldn’t be able to see, hear, smell, or talk.

9. Ways to keep your nervous system healthy…
Exercise
Read, Read, Read
THINK
Wear a helmet

10. Summary Functions sends messages to the rest of the body
controls all of the body functions
Components
Brain – control center
Nerves – carry messages
Spinal cord – a thick bundle of nerves

11. Healthy Habits Exercise Do challenging activities that make you think
read, read, read
Lift things carefully – use your legs, not your back

12. Works Cited
Carratello, Patricia. My Body. Teacher Created Materials
Young, Ruth M. A Guide for Using The Magic School Bus – Inside the Human Body – in the classroom. Teacher Created Materials
Microsoft Windows Clipart.
Microsoft Encarta Encyclopedia.