The symbol means percent and the abbreviation means Vital Capacity.
Answer:
Someone who excessively uses drugs
Explanation:
<em>The function of the excretory system is </em><em>to remove waste from the body, or any unnecessary materials not kept by storage functions. It is important because it helps maintain homeostasis within organisms</em>
<em>Organs that this system includes are </em><em>the skin, the kidneys, the large intestines, the liver, and the lungs.</em>
