Answer:
Yes, the red blood cell swells
Explanation:
The red blood cells placed in a hypotonic solution will take in water across their membranes.
A red blood cell will swell and undergo hemolysis (burst) when placed in a hypotonic solution.
The red blood cell that is hypotonic (lower concentration outside the cell) will result in more water flowing into the cell than out. This results in swelling of the cell.
C. Address the major health concerns in the USA.
I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
