ANSWERS: 1. neurons
2. (a) brain and spinal cord
(b) The PNS carries messages to and from the central nervous system to the rest of your
body.
3. the cerebrum, the cerebellum and the brain stem.
4. corpus callosum
5. occipital lobe, parietal lobe, frontal lobe, temporal lobe
6. b. False ‐ the right hemisphere controls the left side and the left hemisphere controls the
right side of the body.
7. cerebellum
8. walking, speaking, eating
9. blood circulation, digestion, maintaining body temperature
10. 1. the cell body; 2. the axon; 3. the dentrites.
11.
4 The brain decodes the signals as a sight, sound, smell, taste, touch, or other sensation.
2 The message travels along the axon as an electrical impulse.
5 Messages move from the brain through nerves and out to the body.
1 A message enters the neuron through the dendrites and goes directly to the cell body.
3 The message continues as an electrical impulse from one neurone to the next carrying
the information to the brain.
6 You feel pain in your toe.
12. Reflexes
The answers to nervous sytem