1. Nervous System

2. Root Words

3. Neurons Units of nervous system that transmits information in
the form of electrochemical changes

4. Dendrites: Receive electrochemical signals

5. Dendrites: Receive electrochemical signals
Axons: Extensions that send information

6. Dendrites: Receive electrochemical signals
Axons: Extensions that send information
Synapse: The junction between two communicating neurons

7. Dendrites: Receive electrochemical signals
Axons: Extensions that send information
Synapse: The junction between two communicating neurons
Myelin Sheaths: Fatty coating around Axon that insulates and increases rate of transition

8. Central Nervous System (CNS)

9. Central Nervous System (CNS)
Consisting of Brain and Spinal cord

10. Peripheral Nervous System (PNS)

11. Peripheral Nervous System (PNS)
Consists of peripheral nerves that sends message back to CNS

12. Peripheral Nervous System (PNS)
Consists of peripheral nerves that sends message back to CNS
2 parts:
Somatic
Autonomic

13. Brain Teaser A H I M N O T U V W
Which of the letters above does not belong with the rest?
N It is not a mirror-image of itself

14. Brain Teaser
There is a town where 5% of all the people living there have unlisted phone numbers. If you selected 100 names at random from the town’s phone directory, on average, how many of these people would have unlisted phone numbers?
0 They would not be in the phone book if their number was unlisted

15. The Central Nervous System
1. The brain
b. Divided into three main parts: cerebrum, cerebellum,
brain stem

16. The Central Nervous System
3. Four lobes (parts) of the cerebrum
a. Frontal Lobe –use of language
b. Parietal Lobe – sensory information, including feelings of heat, cold, pain, touch
c. Occipital Lobe – Controls sense of sight
d. Temporal – sense of hearing and smell

17. Brain Diagram Using figure 35-10 on page 902, create a brain diagram.
Color code each of the four lobs
Describe each lobe
Draw an illustration that represents each lobe function