Skinner claims that behavior determined by positive reinforcement is compatible with a feeling of freedom
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
There are more bacteria in your mouth than there are people in the world.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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