<p><strong>Fig. 2.12.</strong> Water moves out of (green arrows) or into (yellow arrows) a blood cell, depending on the concentration of solutes in the environment: (<strong>A</strong>) hypertonic, (<strong>B</strong>) isotonic, and (<strong>C</strong>) hypotonic solutions.</p>

Fig. 2.12. Water moves out of (green arrows) or into (yellow arrows) a blood cell, depending on the concentration of solutes in the environment: (A) hypertonic, (B) isotonic, and (C) hypotonic solutions.

Image courtesy of LadyofHats, Wikimedia Commons