Include the following terms dendrites cell body axon

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Include the following terms: Dendrites, Cell body, Axon, Myelin sheath, Node of Ranvier, synaptic terminals (terminal branches) What is a sensory neuron? Name 5 types of sensory neuron receptors that can be found within a sensory neuron. (Hint: Think of your 5 senses) 15. Describe three types of gated-ion channels. Give an example of neurons that may have each type of gated- ion channel. 16. Describe the steps of an action potential. 17. An action potential is considered an “all or none” response. What does that mean? 18. Describe the direction of an action potential. Why can an action potential only move in one direction? 19. Describe how the sodium potassium pump helps the neuron maintain the resting membrane potential. 20. Describe salutatory conduction. What is needed in order to do salutatory conduction? Multiple sclerosis leads to loss of the myelin within the neurons of the white matter. What is the result? 21. Describe the process by which two neurons communicate with each other. 22. Many neurons may synapse on the same post-synaptic neuron. Some signals may be inhibitory or excitatory. Describe the process that determines whether an action potential will be generated on the post- synaptic neuron. 23. Myosin is considered a motor protein. Explain how it works to shorten the sarcomere and therefore cause the muscle to contract. Within your answer explain why calcium and ATP are essential for this process to occur. 24. What causes muscles to relax? 25. Explain the link between the nervous and muscular system. How does the nervous system cause a muscular contraction? 26. Describe the direction of an action potential. Why can an action potential only move in one direction?
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