The immune system protects the body against infection and disease. It is a complex and integrated system of cells, tissues, and organs that have specialized roles in defending against foreign substances and pathogenic microorganisms, including bacteria, viruses, and fungi.
The shmoo (plural: shmoon, also shmoos) is a fictional cartoon creature created by Al Capp (1909â79); the character first appeared in its classic comic strip Li'l Abner on August 31, 1948.
The Snoo was originally created by Reddit co-founder Alexis Ohanian and has stood as the mascot of the site since its initial launch on June 23rd, 2005. It is displayed in many areas of the site, including the header and 404 pages.