Which of the Following Is an Example of Osmosis

Multiple Choice

Which of the following is an example of osmosis?

A) Glucose is transported from our blood stream across cell membranes and into the cytoplasm.
B) Sodium is pumped across a cell to increase its concentration on one side of the cell membrane.
C) Cells of our kidneys reabsorb water to prevent it from all leaving through our urine.
D) A broken bottle of perfume is able to be smelled throughout the department store.
E) A bacterium in the blood stream is engulfed by a white blood cell.