Question

What is the immune system?

Answer 1

Your immune system is the system that helps protect your body fight against bacteria, diseases, viruses, etc. without your immune system your prone to get severely sick without it

Answer 2

The immune system is a network of cells, tissues, and organs that work together to defend the body against attacks by foreign invade. These are primarily microbes—tiny organisms such as bacteria, parasites, and fungi that can cause infections.