Educator's Guide (Grades 9-12) - Buffalo Museum of Science
Educator's Guide (Grades 9-12) - Buffalo Museum of Science
Educator's Guide (Grades 9-12) - Buffalo Museum of Science
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4. To explain this, draw up a stimulus-reaction chain.<br />
brain<br />
sensory nerve fibres<br />
Stimulus conduction<br />
motor nerve fibres<br />
eye<br />
Sense organ or organ<br />
that acts in response<br />
muscle<br />
visible object<br />
Stimulus or reaction<br />
jumping, stretching out arms<br />
5. Complete the following text:<br />
Excitations run from the organs through the spinal cord to the brain or from the brain through the spinal cord to the<br />
organs. The brain and the spinal cord together form the<br />
central nervous system.<br />
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