A. heredity ejfrhweiogfyghfsdgfsdogfslgdldf
<span>During this event, the stomach virus caused water to leave the cells, leaving the cell at risk of death from having too much of other substances, such as salt. Having sports drinks can bring the water and salts levels back into balance by allowing isotonic conditions to be re-established.</span>
i would say c, because many people are in need for new livers, kidneys, etc, and it does save a lot of lives per year
