D describe what a dendrondendrite is and its function

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(d) Describe what a dendron/dendrite is, and its function. (e) What is myelin ? Are all nerves myelinated?
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(f) How does myelin assist the transmission of nervous impulses? (g) A nerve actually consists of... 5. (a) What does the central nervous system (CNS) consist of? (b) What is the role of the CNS ? (c) Does the human nervous system consist only in the CNS? If not, what else does it include? (d) Felicity sees a brown Siamese cat walking towards her. (Felicity is allergic to cats and tries to keep away from them). Describe what happens after the receptor cells in her eyes detect this stimulus. (e) Bertha unknowingly touches a hot plate. Beginning with the sensory receptors in her fingers, list the parts of Bertha’s nervous system that will be involved in the reflex response , allowing her to quickly draw her hand away. (f) The above arrangement (that you have hopefully just listed correctly) is known as a spinal reflex arc . Describe any advantages or disadvantages of reflex actions and voluntary actions. 6. Describe why alcohol increases reaction times. 7. Define homeostasis . 8. Give several examples of how homeostasis is important to the working of the human body. Keep reading through chapter 10 if finished the above. I will go over this with you next lesson!!!p
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