1. The electrode is measuring resting potential and action potential of the neuron.
2. The leech is used for this because they are large and easy enough to get access to. They attach themselves to the host without the host realizing it.
3. A motor neuron conducts nerve impulses away from the central nervous system, while a sensory neuron transmits nerve impulses to the central nervous system.
4. I think the leech experiences pain even if its only a tiny bit. The leech has sensory receptors like us making it sensitive to chemicals that are released when the tissue is damaged.
5. It was interesting cutting the leech up and being able to probe around on the tissue before turning the UV light on.
6. The only confusing part about the lab was computer being junky for a minute :) But once that was fixed I actually enjoyed doing this online lab.
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