Water always drifts toward saltier water. This is osmosis. So the fluid you put a cell in decides what happens. The cell stays normal, swells and bursts, or shrivels up. This is exactly why the right IV fluid matters.
Isotonic solution
Isotonicthe cell stays normal
Drop the cell into…
📷 Reference image
A real labeled figure to compare with the interactive above.
Tonicity — Osmosis & the Cell — OpenStax, CC BY 4.0 (via Wikimedia Commons)
