It is best if each group focuses on a very specific topic, rather than trying to convey all that is known about the nervous system

Specific examples include:

• Evolutionary importance of the nervous system
• Impulse transmission along neurons
• The different types of nerve cells (sensory, motor, interneurons)
• Structure, function, and location of the spinal cord
• Any one of the specialized regions of the brain (e.g., cerebrum, cerebellum, medulla)
• Survival functions of the somatic nervous system
• Metabolic functions of the autonomic nervous system
• What happens when a reflex takes place

Both string and wire can be used to model the long neural sheaths.Clay can be molded to represent axons and dendrites.
Pasta comes in so many varieties, it can be used to represent any neural structure. If students use bulbs, batteries, and wires to model the electrical transmission in nerves, they should explain clearly what is happening on the microscopic level.

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