Tonicity is responsible for determining which direction water will diffuse across the plasma membrane of cells.
Answer: The Magdeburg hemispheres are a pair of large copper hemispheres, with mating rims. They were used to demonstrate the power of atmospheric pressure. When the rims were sealed with grease and the air was pumped out, the sphere contained a vacuum and could not be pulled apart by teams of horses.
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Produces vital body structures, providing energy, providing cell structure, maintaining fluid balance, act as buffers, contributes to immune function.
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is it pneumonia
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i think it is this but am not sure
