1. Nervous System Anatomy

2. Dollar : US :: Pound :
Italy
Norway
Spain
Britain

3. Structural Classification
Central nervous system (CNS)
Brain and spinal cord
Peripheral Nervous System (PNS)
Spinal and cranial nerves

4. tooth brush : teeth :: comb :
hair
nails
ears
eyes

5. Functional classification
Afferent
Sensory nerves
Efferent
Motor nerves

6. If a person is a quadriplegic which part of their nervous system is damaged?
CNS
PNS
SOS
NNS

7. Motor Nerves Somatic System Autonomic system Voluntary Involuntary
Most skeletal muscle fibers
Autonomic system
Involuntary
Sympathetic- “fight or flight”
Parasympathetic- body at rest

8. Neurons Cell body Axon Dendrite Metabolic center
Long fiber that conducts nerve impulses away from cb
Dendrite
Short fibers conducting impulses to cb

9. Myelin Sheath Schwann cells with gaps between
Impulse travels along sheath

10. What is the function of the cell body ?
carries impulse
sends impulse
metabolic center
I don’t know

11. Nerve cells are called
neurons
prions
prius
neurocytes

12. Sensory Neurons Afferent
Neurons carrying impulse from sensory receptors to the CNS
Cutaneous receptors
Skin
Proprioceptors
Muscles and tendons

13. Motor
Efferent
Neurons carrying impulse from CNS to muscles and glands