Refer to the figure. Which of the following statements about the red blood cells in Figure B is true? These red blood cells have been placed in an isotonic solution. These red blood cells have swollen in response to a hypertonic external solution. These red blood cells have swollen in response to a hypotonic external solution. These red blood cells have shrunken in response to a hypertonic external solution. These red blood cells have shrunken in response to a hypotonic external solution.

Question

Refer to the figure. Which of the following statements about the red blood cells in Figure B is true?  		 These red blood cells have been placed in an isotonic solution.  		 These red blood cells have swollen in response to a hypertonic external solution.  		 These red blood cells have swollen in response to a hypotonic external solution.  		 These red blood cells have shrunken in response to a hypertonic external solution.  		 These red blood cells have shrunken in response to a hypotonic external solution.