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Immunity breaks down in the resistance stage of the General Adaptation Syndrome.
Neurotransmitters
Chemical messengers that transmit signals across synapses from one neuron to another, influencing numerous bodily and mental functions.
Synaptic Vesicles
Small sacs within a presynaptic neuron that store neurotransmitters, which are released into the synaptic cleft to transmit signals to a postsynaptic cell.
Receptor Sites
Specific locations on the surface of a cell or within a cell where molecules, such as neurotransmitters or hormones, can bind to initiate a cellular response.
Potassium Ions
Positively charged ions (K+) that are vital for various physiological processes, including nerve signal transmission and muscle contraction.
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