Medical & Health ⚕️ on Instagram: "When a leech comes into contact with a small amount of salt, it undergoes rapid dehydration and dies due to a process called osmosis. The salt creates a hypertonic environment outside the leech’s body, causing water to rapidly move from the inside of the leech to the outside in an attempt to dilute the salt. This extreme water loss causes the leech’s cells to collapse, shrivel, and die from severe dehydration. The science behind it Osmosis: Salt acts as a solut