BIOA02H3 Lecture Notes - Lecture 2: Parasympathetic Nervous System, Sympathetic Nervous System, Somatic Nervous System

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BIOA02H3 Full Course Notes
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From stimulus to action: the nervous reflect arc. There are four major component of a nervous transmission: to sensing a signal, to the transmission of the signal, to the central nervous system and back again, and a response. A stimulus reception of pain (person it touching the hot element), pain receptors in the hand are activated, a nervous system is sent to the brain. The neuron that carries the pain stimulus is synapsing on two interneurons, one that is going to be excitatory, the other is going to be inhibitory. The interneurons connect with effront neurons (symatic neurons because they are innovating a muscle. ) The excitatory neuron is going to stimulus the bicep muscles, the inhibitory neuron is going to inhibit the contraception of a triceps muscles. There is a number of general components in the reflex arch. There is a number of general components in the reflex arch including:

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