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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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People about to have surgery must tell their health care providers about all supplements they take.

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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Types of body movements. Types of body movements.
Using Controls to Monitor Results Using Controls to Monitor Results
Conduction Velocities in Axons of Various Nerve Fiber Types Conduction Velocities in Axons of Various Nerve Fiber Types
Joint movements of the lower leg for recovery after strenuous exercise. Joint movements of the lower leg for recovery after strenuous exercise.
A nerve cell (neuron) has extensions called dendrites A nerve cell (neuron) has extensions called dendrites
Video: Miller's reaction chamber experiment Animation

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