Tuesday, March 25, 2008

Lab Write-Up

1. What is the electrode measuring?An electrode measuring system comprising a measuring electrode (1) and a seat (2) co-operating with the same during the measurement, the measuring electrode comprising one or more electrode surfaces .
2. Why use leeches in neurophysiology experiments? Because they are the easiest to work with and their cells work the best under the uv light.
3. What is the difference between a sensory and a motor neuron?Sensory neurones (neurons) are unipolar neuron nerve cells within the nervous system responsible for converting external stimuli from the organism's environment into internal electrical motor reflex loops and several forms of involuntary behavior, including pain avoidance. In vertebrates, the term motor neuron (or motoneuron) classically applies to neurons located in the central nervous system (CNS) that project their axons outside the CNS and directly or indirectly control muscles.
4. Do you think a leech experiences pain? No i do not think that the leech is in pain. What is pain? PAIN is when you feel discomfort in your body due to either aches and pains or surgery.
5. What were the two most interesting things about doing this lab? It was very interesting to see how the cells changed under the uv light, and also i liked hot it walked yout through step by step.
6. Anything you found confusing or didn't like about the lab? No i really liked this lab it actually made u feel like you were in class.

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