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Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Negative feedback as a mechanism by which homeostatic control systems operate. Negative feedback as a mechanism by which homeostatic control systems operate.
Feedforward control of breathing rate in an animal trained for athletic exercise. Feedforward control of breathing rate in an animal trained for athletic exercise.
Male dolphins form alliances with others Male dolphins form alliances with others
Implications for infection control Implications for infection control
PGC-1 and SIRT1 control the reprogramming of fuel utilization pathways in response to fasting PGC-1 and SIRT1 control the reprogramming of fuel utilization pathways in response to fasting
Major control mechanisms affecting glycolysis and gluconeogenesis Major control mechanisms affecting glycolysis and gluconeogenesis
Video: Role of the respiratory system - effect of altered ventilation rates

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