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neuron environment, and protect against foreign invaders. Information is passed along a network of neurons by a combination of electrical pulses and chemical neurotransmitters. The most potent toxins are neurotoxins that act by direct damage and death of the neurons or glial cells, interference with electrical transmission in the axon, or interference with neurochemical transmission at a synapse. Neurons are among the most sensitive cells in the body to inadequate oxygenation and lowered oxygen for only a few minutes is sufficient to cause death.
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