Is this a multiple choice question?
A medicine is a chemical substance that is used to treat, prevent or diagnose a disease.
Answer:
This freaky thing illustrates the weighted significance of our sensory receptors. His disproportional hands are monstrous, for example, because we primarily touch the world with our hands, not our elbows, so our hands are extremely sensitive.
Explanation:
Because, when an infection exist in the human body it tends to spread, so if the cells stayed in one space then the infection would have a much greater opportunity to severly make that person very ill before the cells could even get to the infection.