A neuron has three main parts: dendrites, cell body, and axon. A
neuron may send signals...
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A neuron has three main parts: dendrites, cell body, and axon. Aneuron may send signals to other neuron or other tissues(effectors). Describe the physiology of how the signal moves fromone point to the other and the other organ or tissue responds.
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The process of sending these signals takes place in two steps along the cell action potential and between cells neurotransmitters Information is sent as messages called action potentials Action potentials travel down a single neuron cell as an electrochemical cascade allowing a net inward flow of positively charged ions into the axon ie sodium ions Within a cell action potentials are triggered at the cell body travel down the axon and end at the axon terminal The axon terminal has vesicles filled with neurotransmitters ready to be released The space between the axon terminal of one cell and the dendrites of the next is called the synapse It acts as a coonection between two neurons or one neuron and effector organ Chemicals known as neurotransmitters are stored in membranebound vesicles at the axon terminal of neurons Membrane proteins on the vesicle bind membrane proteins at the
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