You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Arrange the following sequentially in the descending order of nerve impulse transmission velocity: A. C B. Aa C. B D. Ad and explain in detail?
Erlanger Gasser's Classificaiton of sensory and motor neurons Fiber type Functions Fiber diameter (um) Conduction velocity (m/sec) Aa Proprioception, somatic motor 12-20 70-120 Ab Touch, pressure 5-12 30-70 Ag Motor to muscle spindles 3-6 15-30 Ad Pain, temperature 2-5 12-30 B Preganglionic autonomic <3 3-15 C (dorsal root) Pain, temperature 0.4-1.2 0.5-2 C (Sympathetic) Postganglionic sympathetic 0.3-1.3 0.7-2.3