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The mean and the variance of a Poisson random variable are equal.
Na+
Na+, or sodium ion, is an essential electrolyte in the body, playing key roles in fluid balance, nerve signal transmission, and muscle contraction.
K+
The symbol for potassium ions, which are essential for various physiological functions, including nerve signal transmission and muscle contraction.
Ca2+
Calcium ions, a divalent metal cation crucial for many biological processes including muscle contraction, neurotransmitter release, and cell signaling.
Respiratory Center
A group of neurons in the brainstem that regulate breathing rate and depth to maintain homeostasis.
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