Nervous system

Created March 2020, Offline version here
Video by Paul Anderson, also on his website Bozeman Science.


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1. What is the name of the neurotransmitter example used in our video?
2. During an action potential, which ion diffuses out of the neuron?
3. What is the name of the potential we reach at -55mV?
4. What substance has an insulating effect on the axon of a neuron?
5. What is the basic unit of the nervous system?
6. Membrane potential is measured in what units?
7. What is the name of the potential at -70mV?
8. These are molecules released by the presynaptic neuron that bind to the postsynaptic neuron.
9. What is another term for the potential across a cell membrane?
10. What type of neurotransmitter decreases the potential of the postsynaptic neuron?
11. What are the two halves of the brain called?
12. What is the name of the space where neurotransmitters are released?
13. The name of the tissue that connects the two halves of the brain and allows them to communicate? (in one word)
14. This is the long thin extension of a neuron.
15. What type of neurotransmitter increases the potential of the postsynaptic neuron?
16. What ion channel opens in order to release neurotransmitters?
17. This is the shorter branched projection of a neuron.
18. During an action potential, which ion diffuses into the neuron?