4. CNS & PNS

5. The neuron has a cell body, the neuron also have structures called dendrites and axons. Dendrites are short extensions of cell that receives information from the other cells. This information is carried away from the cell body by the axons. Often times the axons branch off and the tip of each branch is called the axon terminal. Poster

6. Brain: Cerebrum- Voluntary movements, sense touch, light, sound, smell, taste, pain, hot & cold Cerebellum- Coordinating voluntary movements such as skeletal movements. Spinal Chord- Impulses to and from the brain (CNS)

7. Functions cont… Nerves- Detect changes in environment (inside & outside of the body), sends information (muscles and glands), integrates Neurons: Cell Body- Makes neurotransmitters, keeps cell alive Dendrites- Receives messages from other cells Axon- Carries messages away to other cells

8. Passage of Impulse

9. Working w/ Other Systems

10. Sciatic Nerve

12. Holt California Life Science (7 th. Grade, Science) Claire’s Dad (bio/anatomy teacher) For fun facts- http://answers.yahoo.com/question/index?qid=20090 413152349AAPltcY http://answers.yahoo.com/question/index?qid=20090 413152349AAPltcY Bibliography